6385390744392 has 128 divisors (see below), whose sum is σ = 19407088771200. Its totient is φ = 1929224908800.

The previous prime is 6385390744363. The next prime is 6385390744393. The reversal of 6385390744392 is 2934470935836.

6385390744392 is a `hidden beast` number, since 6 + 3 + 8 + 539 + 0 + 7 + 4 + 4 + 3 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (6385390744393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3186609 + ... + 4788032.

It is an arithmetic number, because the mean of its divisors is an integer number (151617881025).

Almost surely, 2^{6385390744392} is an apocalyptic number.

It is an amenable number.

6385390744392 is an abundant number, since it is smaller than the sum of its proper divisors (13021698026808).

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

6385390744392 is a wasteful number, since it uses less digits than its factorization.

6385390744392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975004 (or 7974994 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 6385390744392 in words is "six trillion, three hundred eighty-five billion, three hundred ninety million, seven hundred forty-four thousand, three hundred ninety-two".