390125504442 has 32 divisors (see below), whose sum is σ = 815323512960. Its totient is φ = 124212369600.

The previous prime is 390125504413. The next prime is 390125504443. The reversal of 390125504442 is 244405521093.

It is a super-2 number, since 2×390125504442² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 390125504442.

It is not an unprimeable number, because it can be changed into a prime (390125504443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895809 + ... + 2091492.

It is an arithmetic number, because the mean of its divisors is an integer number (25478859780).

Almost surely, 2^390125504442 is an apocalyptic number.

390125504442 is an abundant number, since it is smaller than the sum of its proper divisors (425198008518).

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

390125504442 is a wasteful number, since it uses less digits than its factorization.

390125504442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988038.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 390125504442 in words is "three hundred ninety billion, one hundred twenty-five million, five hundred four thousand, four hundred forty-two".