4040405131 has 4 divisors (see below), whose sum is σ = 4617605872. Its totient is φ = 3463204392.

The previous prime is 4040405123. The next prime is 4040405141. The reversal of 4040405131 is 1315040404.

4040405131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4040405131 - 2³ = 4040405123 is a prime.

It is a super-2 number, since 2×4040405131² = 32649747245222254322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040405141) 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, 288600360 + ... + 288600373.

It is an arithmetic number, because the mean of its divisors is an integer number (1154401468).

Almost surely, 2^4040405131 is an apocalyptic number.

4040405131 is a deficient number, since it is larger than the sum of its proper divisors (577200741).

4040405131 is an equidigital number, since it uses as much as digits as its factorization.

4040405131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577200740.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4040405131 is about 63564.1811950724. The cubic root of 4040405131 is about 1592.7280843634.

Adding to 4040405131 its reverse (1315040404), we get a palindrome (5355445535).

The spelling of 4040405131 in words is "four billion, forty million, four hundred five thousand, one hundred thirty-one".