39986468056 has 16 divisors (see below), whose sum is σ = 75017570040. Its totient is φ = 19981782720.

The previous prime is 39986468029. The next prime is 39986468087. The reversal of 39986468056 is 65086468993.

It is a congruent number.

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, 1416565 + ... + 1444516.

Almost surely, 2^39986468056 is an apocalyptic number.

It is an amenable number.

39986468056 is a deficient number, since it is larger than the sum of its proper divisors (35031101984).

39986468056 is a wasteful number, since it uses less digits than its factorization.

39986468056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862834 (or 2862830 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 39986468056 in words is "thirty-nine billion, nine hundred eighty-six million, four hundred sixty-eight thousand, fifty-six".