Forty thousand in numerals is 40,000. Pounds cannot be written in numerals and in any case, depends on whether you mean mass or currency.
In numerals: 3,040,000
It is: 40,000 pounds
40,000
£1,049.00
1,040 lbs
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£166,349.45
1.2 thousand in numerals is: 1200.
Three thousand forty = 3,040
If it is a British Cheque One hundred and forty thousand pounds only.
0.40
4,000.