398755327488 has 160 divisors (see below), whose sum is σ = 1239900355584. Its totient is φ = 111505907712.

The previous prime is 398755327471. The next prime is 398755327493. The reversal of 398755327488 is 884723557893.

398755327488 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×398755327488² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110806 + ... + 899882.

Almost surely, 2^398755327488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398755327488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619950177792).

398755327488 is an abundant number, since it is smaller than the sum of its proper divisors (841145028096).

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

398755327488 is an equidigital number, since it uses as much as digits as its factorization.

398755327488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789152 (or 789136 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 69.

The spelling of 398755327488 in words is "three hundred ninety-eight billion, seven hundred fifty-five million, three hundred twenty-seven thousand, four hundred eighty-eight".