390998622960 has 320 divisors, whose sum is σ = 1489339676160. Its totient is φ = 93488670720.

The previous prime is 390998622953. The next prime is 390998623009. The reversal of 390998622960 is 69226899093.

390998622960 is a `hidden beast` number, since 390 + 99 + 86 + 2 + 29 + 60 = 666.

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 63 ways as a sum of consecutive naturals, for example, 1621767 + ... + 1847193.

It is an arithmetic number, because the mean of its divisors is an integer number (4654186488).

Almost surely, 2^390998622960 is an apocalyptic number.

390998622960 is a gapful number since it is divisible by the number (30) 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 390998622960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744669838080).

390998622960 is an abundant number, since it is smaller than the sum of its proper divisors (1098341053200).

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

390998622960 is a wasteful number, since it uses less digits than its factorization.

390998622960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225533 (or 225521 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 390998622960 in words is "three hundred ninety billion, nine hundred ninety-eight million, six hundred twenty-two thousand, nine hundred sixty".