401426856 has 48 divisors (see below), whose sum is σ = 1094427360. Its totient is φ = 132919200.

The previous prime is 401426833. The next prime is 401426873. The reversal of 401426856 is 658624104.

It is a super-2 number, since 2×401426856² = 322287041436089472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 401426856.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7590 + ... + 29333.

It is an arithmetic number, because the mean of its divisors is an integer number (22800570).

Almost surely, 2^401426856 is an apocalyptic number.

It is an amenable number.

401426856 is an abundant number, since it is smaller than the sum of its proper divisors (693000504).

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

401426856 is a wasteful number, since it uses less digits than its factorization.

401426856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37086 (or 37079 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 401426856 is about 20035.6396453919. The cubic root of 401426856 is about 737.6813571420.

The spelling of 401426856 in words is "four hundred one million, four hundred twenty-six thousand, eight hundred fifty-six".