398551570023876 has 48 divisors (see below), whose sum is σ = 930379843358784. Its totient is φ = 132789642518016.

The previous prime is 398551570023809. The next prime is 398551570023881. The reversal of 398551570023876 is 678320075155893.

It is a self number, because there is not a number n which added to its sum of digits gives 398551570023876.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495968776 + ... + 2496128448.

It is an arithmetic number, because the mean of its divisors is an integer number (19382913403308).

Almost surely, 2^{398551570023876} is an apocalyptic number.

It is an amenable number.

398551570023876 is an abundant number, since it is smaller than the sum of its proper divisors (531828273334908).

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

398551570023876 is a wasteful number, since it uses less digits than its factorization.

398551570023876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253700 (or 253698 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 69.

The spelling of 398551570023876 in words is "three hundred ninety-eight trillion, five hundred fifty-one billion, five hundred seventy million, twenty-three thousand, eight hundred seventy-six".