4013445256 has 64 divisors (see below), whose sum is σ = 8156736000. Its totient is φ = 1846817280.

The previous prime is 4013445251. The next prime is 4013445257. The reversal of 4013445256 is 6525443104.

It is a super-2 number, since 2×4013445256² = 32215485645817811072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013445251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477700 + ... + 486028.

It is an arithmetic number, because the mean of its divisors is an integer number (127449000).

Almost surely, 2^4013445256 is an apocalyptic number.

It is an amenable number.

4013445256 is an abundant number, since it is smaller than the sum of its proper divisors (4143290744).

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

4013445256 is a wasteful number, since it uses less digits than its factorization.

4013445256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 4013445256 is about 63351.7581129364. The cubic root of 4013445256 is about 1589.1776473475.

The spelling of 4013445256 in words is "four billion, thirteen million, four hundred forty-five thousand, two hundred fifty-six".