40036400647272 has 96 divisors (see below), whose sum is σ = 116523852868800. Its totient is φ = 12372970148352.

The previous prime is 40036400647261. The next prime is 40036400647381. The reversal of 40036400647272 is 27274600463004.

40036400647272 is a `hidden beast` number, since 40 + 0 + 36 + 40 + 0 + 6 + 472 + 72 = 666.

It is a super-2 number, since 2×40036400647272² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244018572 + ... + 244182587.

It is an arithmetic number, because the mean of its divisors is an integer number (1213790134050).

Almost surely, 2^{40036400647272} is an apocalyptic number.

It is an amenable number.

40036400647272 is an abundant number, since it is smaller than the sum of its proper divisors (76487452221528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40036400647272 is a wasteful number, since it uses less digits than its factorization.

40036400647272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488201255 (or 488201248 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 40036400647272 in words is "forty trillion, thirty-six billion, four hundred million, six hundred forty-seven thousand, two hundred seventy-two".