398930131490 has 64 divisors (see below), whose sum is σ = 830602304640. Its totient is φ = 136427235840.

The previous prime is 398930131477. The next prime is 398930131493. The reversal of 398930131490 is 94131039893.

It is not an unprimeable number, because it can be changed into a prime (398930131493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410297 + ... + 982956.

It is an arithmetic number, because the mean of its divisors is an integer number (12978161010).

Almost surely, 2^398930131490 is an apocalyptic number.

398930131490 is an abundant number, since it is smaller than the sum of its proper divisors (431672173150).

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

398930131490 is a wasteful number, since it uses less digits than its factorization.

398930131490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393427.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 398930131490 in words is "three hundred ninety-eight billion, nine hundred thirty million, one hundred thirty-one thousand, four hundred ninety".