398104664576 has 40 divisors (see below), whose sum is σ = 796830310980. Its totient is φ = 198702358528.

The previous prime is 398104664519. The next prime is 398104664621. The reversal of 398104664576 is 675466401893.

It can be written as a sum of positive squares in 2 ways, for example, as 285326905600 + 112777758976 = 534160^2 + 335824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391931 + ... + 974586.

Almost surely, 2^398104664576 is an apocalyptic number.

It is an amenable number.

398104664576 is an abundant number, since it is smaller than the sum of its proper divisors (398725646404).

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

398104664576 is an equidigital number, since it uses as much as digits as its factorization.

398104664576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367104 (or 1367088 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 398104664576 in words is "three hundred ninety-eight billion, one hundred four million, six hundred sixty-four thousand, five hundred seventy-six".