390402760550344 has 16 divisors (see below), whose sum is σ = 770531764244400. Its totient is φ = 184927623418512.

The previous prime is 390402760550263. The next prime is 390402760550353. The reversal of 390402760550344 is 443055067204093.

It is a junction number, because it is equal to n+sod(n) for n = 390402760550291 and 390402760550300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284219606922 + ... + 1284219607225.

It is an arithmetic number, because the mean of its divisors is an integer number (48158235265275).

Almost surely, 2^{390402760550344} is an apocalyptic number.

It is an amenable number.

390402760550344 is a deficient number, since it is larger than the sum of its proper divisors (380129003694056).

390402760550344 is a wasteful number, since it uses less digits than its factorization.

390402760550344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568439214172 (or 2568439214168 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 390402760550344 in words is "three hundred ninety trillion, four hundred two billion, seven hundred sixty million, five hundred fifty thousand, three hundred forty-four".