401879555018 has 8 divisors (see below), whose sum is σ = 602829435648. Its totient is φ = 200936409804.

The previous prime is 401879554997. The next prime is 401879555101. The reversal of 401879555018 is 810555978104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531946 + ... + 1774997.

It is an arithmetic number, because the mean of its divisors is an integer number (75353679456).

Almost surely, 2^401879555018 is an apocalyptic number.

401879555018 is a deficient number, since it is larger than the sum of its proper divisors (200949880630).

401879555018 is a wasteful number, since it uses less digits than its factorization.

401879555018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367708.

The product of its (nonzero) digits is 2016000, while the sum is 53.

The spelling of 401879555018 in words is "four hundred one billion, eight hundred seventy-nine million, five hundred fifty-five thousand, eighteen".