399675384592 has 160 divisors (see below), whose sum is σ = 878069299968. Its totient is φ = 176114048000.

The previous prime is 399675384587. The next prime is 399675384607. The reversal of 399675384592 is 295483576993.

It is a super-2 number, since 2×399675384592² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145812342 + ... + 145815082.

Almost surely, 2^399675384592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399675384592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439034649984).

399675384592 is an abundant number, since it is smaller than the sum of its proper divisors (478393915376).

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

399675384592 is a wasteful number, since it uses less digits than its factorization.

399675384592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2962 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 70.

The spelling of 399675384592 in words is "three hundred ninety-nine billion, six hundred seventy-five million, three hundred eighty-four thousand, five hundred ninety-two".