4040131656 has 64 divisors (see below), whose sum is σ = 11253012480. Its totient is φ = 1198230080.

The previous prime is 4040131649. The next prime is 4040131657. The reversal of 4040131656 is 6561310404.

It is not an unprimeable number, because it can be changed into a prime (4040131657) 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, 150396 + ... + 175211.

It is an arithmetic number, because the mean of its divisors is an integer number (175828320).

Almost surely, 2^4040131656 is an apocalyptic number.

It is an amenable number.

4040131656 is an abundant number, since it is smaller than the sum of its proper divisors (7212880824).

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

4040131656 is a wasteful number, since it uses less digits than its factorization.

4040131656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325674 (or 325670 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4040131656 is about 63562.0299864628. The cubic root of 4040131656 is about 1592.6921489290.

The spelling of 4040131656 in words is "four billion, forty million, one hundred thirty-one thousand, six hundred fifty-six".