398245373264 has 20 divisors (see below), whose sum is σ = 796490747520. Its totient is φ = 192699373920.

The previous prime is 398245373263. The next prime is 398245373303. The reversal of 398245373264 is 462373542893.

398245373264 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398245373263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401456534 + ... + 401457525.

It is an arithmetic number, because the mean of its divisors is an integer number (39824537376).

Almost surely, 2^398245373264 is an apocalyptic number.

It is an amenable number.

398245373264 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

398245373264 is a wasteful number, since it uses less digits than its factorization.

398245373264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802914098 (or 802914092 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 56.

The spelling of 398245373264 in words is "three hundred ninety-eight billion, two hundred forty-five million, three hundred seventy-three thousand, two hundred sixty-four".