40456617542220 has 96 divisors (see below), whose sum is σ = 123698569962240. Its totient is φ = 9797982895360.

The previous prime is 40456617542213. The next prime is 40456617542287. The reversal of 40456617542220 is 2224571665404.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40456617542220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29587050 + ... + 30924209.

It is an arithmetic number, because the mean of its divisors is an integer number (1288526770440).

Almost surely, 2^{40456617542220} is an apocalyptic number.

It is an amenable number.

40456617542220 is an abundant number, since it is smaller than the sum of its proper divisors (83241952420020).

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

40456617542220 is a wasteful number, since it uses less digits than its factorization.

40456617542220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60512295 (or 60512293 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 40456617542220 in words is "forty trillion, four hundred fifty-six billion, six hundred seventeen million, five hundred forty-two thousand, two hundred twenty".