401255344 has 20 divisors (see below), whose sum is σ = 888494224. Its totient is φ = 171966528.

The previous prime is 401255333. The next prime is 401255363. The reversal of 401255344 is 443552104.

It is a super-2 number, since 2×401255344² = 322011702177116672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791207 + ... + 1791430.

Almost surely, 2^401255344 is an apocalyptic number.

It is an amenable number.

401255344 is an abundant number, since it is smaller than the sum of its proper divisors (487238880).

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

401255344 is a wasteful number, since it uses less digits than its factorization.

401255344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582652 (or 3582646 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 401255344 is about 20031.3590153040. The cubic root of 401255344 is about 737.5762826007.

The spelling of 401255344 in words is "four hundred one million, two hundred fifty-five thousand, three hundred forty-four".