399088295472 has 30 divisors (see below), whose sum is σ = 1030989403452. Its totient is φ = 133027972896.

The previous prime is 399088295461. The next prime is 399088295477. The reversal of 399088295472 is 274592880993.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (399088295477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4331193 + ... + 4422375.

Almost surely, 2^399088295472 is an apocalyptic number.

It is an amenable number.

399088295472 is an abundant number, since it is smaller than the sum of its proper divisors (631901107980).

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

399088295472 is an frugal number, since it uses more digits than its factorization.

399088295472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182377 (or 91188 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 399088295472 in words is "three hundred ninety-nine billion, eighty-eight million, two hundred ninety-five thousand, four hundred seventy-two".