390544474688 has 112 divisors (see below), whose sum is σ = 829777766400. Its totient is φ = 181846425600.

The previous prime is 390544474667. The next prime is 390544474709. The reversal of 390544474688 is 886474445093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (390544474667) and next prime (390544474709).

It is a self number, because there is not a number n which added to its sum of digits gives 390544474688.

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 15 ways as a sum of consecutive naturals, for example, 16821488 + ... + 16844688.

Almost surely, 2^390544474688 is an apocalyptic number.

390544474688 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390544474688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414888883200).

390544474688 is an abundant number, since it is smaller than the sum of its proper divisors (439233291712).

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

390544474688 is a wasteful number, since it uses less digits than its factorization.

390544474688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23468 (or 23458 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 390544474688 in words is "three hundred ninety billion, five hundred forty-four million, four hundred seventy-four thousand, six hundred eighty-eight".