40228731250 has 24 divisors (see below), whose sum is σ = 75424055364. Its totient is φ = 16091490000.

The previous prime is 40228731229. The next prime is 40228731281. The reversal of 40228731250 is 5213782204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9576775321 + 30651955929 = 97861^2 + 175077^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3212049 + ... + 3224548.

Almost surely, 2^40228731250 is an apocalyptic number.

40228731250 is a deficient number, since it is larger than the sum of its proper divisors (35195324114).

40228731250 is an frugal number, since it uses more digits than its factorization.

40228731250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436624 (or 6436604 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 40228731250 in words is "forty billion, two hundred twenty-eight million, seven hundred thirty-one thousand, two hundred fifty".