390168575980 has 48 divisors (see below), whose sum is σ = 827392991040. Its totient is φ = 154538005248.

The previous prime is 390168575977. The next prime is 390168575987. The reversal of 390168575980 is 89575861093.

It is a super-2 number, since 2×390168575980² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (390168575987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447574 + ... + 3558946.

It is an arithmetic number, because the mean of its divisors is an integer number (17237353980).

Almost surely, 2^390168575980 is an apocalyptic number.

It is an amenable number.

390168575980 is an abundant number, since it is smaller than the sum of its proper divisors (437224415060).

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

390168575980 is a wasteful number, since it uses less digits than its factorization.

390168575980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113098 (or 113096 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 390168575980 in words is "three hundred ninety billion, one hundred sixty-eight million, five hundred seventy-five thousand, nine hundred eighty".