40620434521216 has 32 divisors (see below), whose sum is σ = 88280205709680. Its totient is φ = 18463833872640.

The previous prime is 40620434521189. The next prime is 40620434521237. The reversal of 40620434521216 is 61212543402604.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14424868806 + ... + 14424871621.

Almost surely, 2^{40620434521216} is an apocalyptic number.

It is an amenable number.

40620434521216 is an abundant number, since it is smaller than the sum of its proper divisors (47659771188464).

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

40620434521216 is a wasteful number, since it uses less digits than its factorization.

40620434521216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849740452 (or 28849740440 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 40620434521216 in words is "forty trillion, six hundred twenty billion, four hundred thirty-four million, five hundred twenty-one thousand, two hundred sixteen".