389140401264 has 20 divisors (see below), whose sum is σ = 1005279370056. Its totient is φ = 129713467072.

The previous prime is 389140401151. The next prime is 389140401277. The reversal of 389140401264 is 462104041983.

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, 4053545799 + ... + 4053545894.

Almost surely, 2^389140401264 is an apocalyptic number.

It is an amenable number.

389140401264 is an abundant number, since it is smaller than the sum of its proper divisors (616138968792).

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

389140401264 is a wasteful number, since it uses less digits than its factorization.

389140401264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107091704 (or 8107091698 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 389140401264 in words is "three hundred eighty-nine billion, one hundred forty million, four hundred one thousand, two hundred sixty-four".