3900394624528 has 40 divisors (see below), whose sum is σ = 7816490712576. Its totient is φ = 1884159340800.

The previous prime is 3900394624499. The next prime is 3900394624543. The reversal of 3900394624528 is 8254264930093.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28795168 + ... + 28930303.

Almost surely, 2^{3900394624528} is an apocalyptic number.

It is an amenable number.

3900394624528 is an abundant number, since it is smaller than the sum of its proper divisors (3916096088048).

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

3900394624528 is a wasteful number, since it uses less digits than its factorization.

3900394624528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57725623 (or 57725617 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 3900394624528 in words is "three trillion, nine hundred billion, three hundred ninety-four million, six hundred twenty-four thousand, five hundred twenty-eight".