390492261825 has 48 divisors (see below), whose sum is σ = 679014683136. Its totient is φ = 197741606400.

The previous prime is 390492261773. The next prime is 390492261851. The reversal of 390492261825 is 528162294093.

390492261825 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 390492261825 - 2¹¹ = 390492259777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1461244 + ... + 1707693.

It is an arithmetic number, because the mean of its divisors is an integer number (14146139232).

Almost surely, 2^390492261825 is an apocalyptic number.

It is an amenable number.

390492261825 is a deficient number, since it is larger than the sum of its proper divisors (288522421311).

390492261825 is a wasteful number, since it uses less digits than its factorization.

390492261825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169034 (or 3169029 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 390492261825 in words is "three hundred ninety billion, four hundred ninety-two million, two hundred sixty-one thousand, eight hundred twenty-five".