390766631622 has 16 divisors (see below), whose sum is σ = 781551474240. Its totient is φ = 130252508712.

The previous prime is 390766631617. The next prime is 390766631677. The reversal of 390766631622 is 226136667093.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471472 + ... + 1001907.

It is an arithmetic number, because the mean of its divisors is an integer number (48846967140).

Almost surely, 2^390766631622 is an apocalyptic number.

390766631622 is an abundant number, since it is smaller than the sum of its proper divisors (390784842618).

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

390766631622 is a wasteful number, since it uses less digits than its factorization.

390766631622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517587.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 390766631622 in words is "three hundred ninety billion, seven hundred sixty-six million, six hundred thirty-one thousand, six hundred twenty-two".