40104231 has 16 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 25256448.

The previous prime is 40104227. The next prime is 40104277. The reversal of 40104231 is 13240104.

It is not a de Polignac number, because 40104231 - 2² = 40104227 is a prime.

It is a super-2 number, since 2×40104231² = 3216698688202722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40104231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104221) 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, 24810 + ... + 26376.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^40104231 is an apocalyptic number.

40104231 is a deficient number, since it is larger than the sum of its proper divisors (16343769).

40104231 is a wasteful number, since it uses less digits than its factorization.

40104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40104231 is about 6332.7901433728. The cubic root of 40104231 is about 342.2919858609.

Adding to 40104231 its reverse (13240104), we get a palindrome (53344335).

The spelling of 40104231 in words is "forty million, one hundred four thousand, two hundred thirty-one".