390495768850 has 96 divisors (see below), whose sum is σ = 811834664256. Its totient is φ = 138515462400.

The previous prime is 390495768833. The next prime is 390495768857. The reversal of 390495768850 is 58867594093.

It is not an unprimeable number, because it can be changed into a prime (390495768857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18838692 + ... + 18859408.

It is an arithmetic number, because the mean of its divisors is an integer number (8456611086).

Almost surely, 2^390495768850 is an apocalyptic number.

390495768850 is an abundant number, since it is smaller than the sum of its proper divisors (421338895406).

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

390495768850 is a wasteful number, since it uses less digits than its factorization.

390495768850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21580 (or 21575 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 390495768850 in words is "three hundred ninety billion, four hundred ninety-five million, seven hundred sixty-eight thousand, eight hundred fifty".