398405114625 has 48 divisors (see below), whose sum is σ = 771182246016. Its totient is φ = 182128044000.

The previous prime is 398405114593. The next prime is 398405114633. The reversal of 398405114625 is 526411504893.

It is not a de Polignac number, because 398405114625 - 2⁵ = 398405114593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10822581 + ... + 10859330.

It is an arithmetic number, because the mean of its divisors is an integer number (16066296792).

Almost surely, 2^398405114625 is an apocalyptic number.

398405114625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

398405114625 is a deficient number, since it is larger than the sum of its proper divisors (372777131391).

398405114625 is a wasteful number, since it uses less digits than its factorization.

398405114625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681943 (or 21681926 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 398405114625 in words is "three hundred ninety-eight billion, four hundred five million, one hundred fourteen thousand, six hundred twenty-five".