398572040275893 has 18 divisors (see below), whose sum is σ = 632810888557302. Its totient is φ = 241558812287760.

The previous prime is 398572040275891. The next prime is 398572040276101.

398572040275893 is a `hidden beast` number, since 3 + 9 + 8 + 5 + 72 + 0 + 402 + 75 + 89 + 3 = 666.

398572040275893 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 352871979602769 + 45700060673124 = 18784887^2 + 6760182^2 .

It is not a de Polignac number, because 398572040275893 - 2¹ = 398572040275891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398572040275891) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 182999099130 + ... + 182999101307.

Almost surely, 2^{398572040275893} is an apocalyptic number.

398572040275893 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

398572040275893 is a deficient number, since it is larger than the sum of its proper divisors (234238848281409).

398572040275893 is a wasteful number, since it uses less digits than its factorization.

398572040275893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365998200465 (or 365998200451 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 72.

The spelling of 398572040275893 in words is "three hundred ninety-eight trillion, five hundred seventy-two billion, forty million, two hundred seventy-five thousand, eight hundred ninety-three".