401056 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 196800.

The previous prime is 401053. The next prime is 401057. The reversal of 401056 is 650104.

401056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (401053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁴⁰¹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

401056 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401056 is a wasteful number, since it uses less digits than its factorization.

401056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 401056 is about 633.2898230668. The cubic root of 401056 is about 73.7454119524.

The spelling of 401056 in words is "four hundred one thousand, fifty-six".