399505486032 has 60 divisors (see below), whose sum is σ = 1176905789280. Its totient is φ = 126159626304.

The previous prime is 399505486007. The next prime is 399505486057. The reversal of 399505486032 is 230684505993.

399505486032 is a `hidden beast` number, since 3 + 9 + 9 + 5 + 0 + 548 + 60 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (399505486007) and next prime (399505486057).

It is a self number, because there is not a number n which added to its sum of digits gives 399505486032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73006308 + ... + 73011779.

It is an arithmetic number, because the mean of its divisors is an integer number (19615096488).

Almost surely, 2^399505486032 is an apocalyptic number.

It is an amenable number.

399505486032 is an abundant number, since it is smaller than the sum of its proper divisors (777400303248).

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

399505486032 is a wasteful number, since it uses less digits than its factorization.

399505486032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146018120 (or 146018111 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 399505486032 in words is "three hundred ninety-nine billion, five hundred five million, four hundred eighty-six thousand, thirty-two".