398437909424 has 40 divisors (see below), whose sum is σ = 798732910560. Its totient is φ = 192315691008.

The previous prime is 398437909417. The next prime is 398437909433. The reversal of 398437909424 is 424909734893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690069 + ... + 2834315.

It is an arithmetic number, because the mean of its divisors is an integer number (19968322764).

Almost surely, 2^398437909424 is an apocalyptic number.

It is an amenable number.

398437909424 is an abundant number, since it is smaller than the sum of its proper divisors (400295001136).

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

398437909424 is a wasteful number, since it uses less digits than its factorization.

398437909424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150237 (or 150231 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 398437909424 in words is "three hundred ninety-eight billion, four hundred thirty-seven million, nine hundred nine thousand, four hundred twenty-four".