398883448780 has 24 divisors (see below), whose sum is σ = 851852791440. Its totient is φ = 156849084480.

The previous prime is 398883448757. The next prime is 398883448841. The reversal of 398883448780 is 87844388893.

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, 169017231 + ... + 169019590.

It is an arithmetic number, because the mean of its divisors is an integer number (35493866310).

Almost surely, 2^398883448780 is an apocalyptic number.

It is an amenable number.

398883448780 is an abundant number, since it is smaller than the sum of its proper divisors (452969342660).

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

398883448780 is a wasteful number, since it uses less digits than its factorization.

398883448780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338036889 (or 338036887 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 70.

The spelling of 398883448780 in words is "three hundred ninety-eight billion, eight hundred eighty-three million, four hundred forty-eight thousand, seven hundred eighty".