398468941028 has 12 divisors (see below), whose sum is σ = 697631550000. Its totient is φ = 199145641032.

The previous prime is 398468941027. The next prime is 398468941033. The reversal of 398468941028 is 820149864893.

It is not an unprimeable number, because it can be changed into a prime (398468941027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22197278 + ... + 22215221.

It is an arithmetic number, because the mean of its divisors is an integer number (58135962500).

Almost surely, 2^398468941028 is an apocalyptic number.

It is an amenable number.

398468941028 is a deficient number, since it is larger than the sum of its proper divisors (299162608972).

398468941028 is a wasteful number, since it uses less digits than its factorization.

398468941028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44414746 (or 44414744 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 398468941028 in words is "three hundred ninety-eight billion, four hundred sixty-eight million, nine hundred forty-one thousand, twenty-eight".