390238933140 has 144 divisors (see below), whose sum is σ = 1412293377600. Its totient is φ = 89197464384.

The previous prime is 390238933127. The next prime is 390238933157. The reversal of 390238933140 is 41339832093.

390238933140 is a `hidden beast` number, since 390 + 2 + 38 + 93 + 3 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7347670 + ... + 7400589.

It is an arithmetic number, because the mean of its divisors is an integer number (9807592900).

Almost surely, 2^390238933140 is an apocalyptic number.

390238933140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

390238933140 is an abundant number, since it is smaller than the sum of its proper divisors (1022054444460).

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

390238933140 is a wasteful number, since it uses less digits than its factorization.

390238933140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748291 (or 14748276 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 390238933140 in words is "three hundred ninety billion, two hundred thirty-eight million, nine hundred thirty-three thousand, one hundred forty".