40252646642352 has 80 divisors (see below), whose sum is σ = 105308506490880. Its totient is φ = 13246923456000.

The previous prime is 40252646642303. The next prime is 40252646642399. The reversal of 40252646642352 is 25324664625204.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40252646642295 and 40252646642304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65679577 + ... + 66289607.

It is an arithmetic number, because the mean of its divisors is an integer number (1316356331136).

Almost surely, 2^{40252646642352} is an apocalyptic number.

It is an amenable number.

40252646642352 is an abundant number, since it is smaller than the sum of its proper divisors (65055859848528).

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

40252646642352 is a wasteful number, since it uses less digits than its factorization.

40252646642352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627522 (or 627516 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 40252646642352 in words is "forty trillion, two hundred fifty-two billion, six hundred forty-six million, six hundred forty-two thousand, three hundred fifty-two".