390405199092 has 48 divisors (see below), whose sum is σ = 913610900160. Its totient is φ = 129754844928.

The previous prime is 390405199073. The next prime is 390405199097. The reversal of 390405199092 is 290991504093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390405199097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5707848 + ... + 5775840.

It is an arithmetic number, because the mean of its divisors is an integer number (19033560420).

Almost surely, 2^390405199092 is an apocalyptic number.

It is an amenable number.

390405199092 is an abundant number, since it is smaller than the sum of its proper divisors (523205701068).

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

390405199092 is a wasteful number, since it uses less digits than its factorization.

390405199092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69392 (or 69390 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The spelling of 390405199092 in words is "three hundred ninety billion, four hundred five million, one hundred ninety-nine thousand, ninety-two".