389044373490 has 64 divisors (see below), whose sum is σ = 1047723534720. Its totient is φ = 102717979200.

The previous prime is 389044373447. The next prime is 389044373507. The reversal of 389044373490 is 94373440983.

389044373490 is a `hidden beast` number, since 3 + 8 + 90 + 4 + 437 + 34 + 90 = 666.

It is a super-2 number, since 2×389044373490² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 7105924 + ... + 7160463.

It is an arithmetic number, because the mean of its divisors is an integer number (16370680230).

Almost surely, 2^389044373490 is an apocalyptic number.

389044373490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389044373490 is an abundant number, since it is smaller than the sum of its proper divisors (658679161230).

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

389044373490 is a wasteful number, since it uses less digits than its factorization.

389044373490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266504 (or 14266498 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 389044373490 in words is "three hundred eighty-nine billion, forty-four million, three hundred seventy-three thousand, four hundred ninety".