40131104 has 24 divisors (see below), whose sum is σ = 85086540. Its totient is φ = 18521856.

The previous prime is 40131071. The next prime is 40131109. The reversal of 40131104 is 40113104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35378704 + 4752400 = 5948^2 + 2180^2 .

It is a super-2 number, since 2×40131104² = 3221011016517632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131109) 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, 47819 + ... + 48650.

Almost surely, 2^40131104 is an apocalyptic number.

It is an amenable number.

40131104 is an abundant number, since it is smaller than the sum of its proper divisors (44955436).

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

40131104 is a wasteful number, since it uses less digits than its factorization.

40131104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96492 (or 96484 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40131104 is about 6334.9115226655. The cubic root of 40131104 is about 342.3684230058.

Adding to 40131104 its reverse (40113104), we get a palindrome (80244208).

The spelling of 40131104 in words is "forty million, one hundred thirty-one thousand, one hundred four".