389257180416 has 144 divisors (see below), whose sum is σ = 1239648553920. Its totient is φ = 119771412480.

The previous prime is 389257180391. The next prime is 389257180423. The reversal of 389257180416 is 614081752983.

389257180416 is a `hidden beast` number, since 3 + 89 + 2 + 5 + 71 + 80 + 416 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2076150 + ... + 2255861.

It is a 1-persistent number, because it is pandigital, but 2⋅389257180416 = 778514360832 is not.

Almost surely, 2^389257180416 is an apocalyptic number.

389257180416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

389257180416 is an abundant number, since it is smaller than the sum of its proper divisors (850391373504).

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

389257180416 is a wasteful number, since it uses less digits than its factorization.

389257180416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332049 (or 4332029 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 389257180416 in words is "three hundred eighty-nine billion, two hundred fifty-seven million, one hundred eighty thousand, four hundred sixteen".