401074956 has 96 divisors (see below), whose sum is σ = 1085918400. Its totient is φ = 127895040.

The previous prime is 401074913. The next prime is 401074963. The reversal of 401074956 is 659470104.

It is a super-2 number, since 2×401074956² = 321722240660803872, 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 401074956.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233830 + ... + 235538.

It is an arithmetic number, because the mean of its divisors is an integer number (11311650).

Almost surely, 2^401074956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401074956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542959200).

401074956 is an abundant number, since it is smaller than the sum of its proper divisors (684843444).

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

401074956 is a wasteful number, since it uses less digits than its factorization.

401074956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 401074956 is about 20026.8558690574. The cubic root of 401074956 is about 737.4657379851.

The spelling of 401074956 in words is "four hundred one million, seventy-four thousand, nine hundred fifty-six".