398045709232 has 40 divisors (see below), whose sum is σ = 804834603360. Its totient is φ = 190348392960.

The previous prime is 398045709197. The next prime is 398045709263. The reversal of 398045709232 is 232907540893.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 398045709232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521694 + ... + 3632962.

It is an arithmetic number, because the mean of its divisors is an integer number (20120865084).

Almost surely, 2^398045709232 is an apocalyptic number.

It is an amenable number.

398045709232 is an abundant number, since it is smaller than the sum of its proper divisors (406788894128).

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

398045709232 is a wasteful number, since it uses less digits than its factorization.

398045709232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121021 (or 121015 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 398045709232 in words is "three hundred ninety-eight billion, forty-five million, seven hundred nine thousand, two hundred thirty-two".