399250434580 has 24 divisors (see below), whose sum is σ = 838469600640. Its totient is φ = 159691852320.

The previous prime is 399250434553. The next prime is 399250434641. The reversal of 399250434580 is 85434052993.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119136 + ... + 901495.

It is an arithmetic number, because the mean of its divisors is an integer number (34936233360).

Almost surely, 2^399250434580 is an apocalyptic number.

It is an amenable number.

399250434580 is an abundant number, since it is smaller than the sum of its proper divisors (439219166060).

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

399250434580 is a wasteful number, since it uses less digits than its factorization.

399250434580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040199 (or 1040197 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 399250434580 in words is "three hundred ninety-nine billion, two hundred fifty million, four hundred thirty-four thousand, five hundred eighty".