40131004 has 6 divisors (see below), whose sum is σ = 70229264. Its totient is φ = 20065500.

The previous prime is 40130989. The next prime is 40131011. The reversal of 40131004 is 40013104.

40131004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40131004² = 3220994964096032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016372 + ... + 5016379.

Almost surely, 2^40131004 is an apocalyptic number.

It is an amenable number.

40131004 is a deficient number, since it is larger than the sum of its proper divisors (30098260).

40131004 is a wasteful number, since it uses less digits than its factorization.

40131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032755 (or 10032753 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40131004 is about 6334.9036298905. The cubic root of 40131004 is about 342.3681386306.

Adding to 40131004 its reverse (40013104), we get a palindrome (80144108).

It can be divided in two parts, 4013100 and 4, that added together give a palindrome (4013104).

The spelling of 40131004 in words is "forty million, one hundred thirty-one thousand, four".