40130112 has 56 divisors (see below), whose sum is σ = 115836192. Its totient is φ = 12160000.

The previous prime is 40130107. The next prime is 40130117. The reversal of 40130112 is 21103104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40130107) and next prime (40130117).

It is a super-2 number, since 2×40130112² = 3220851778265088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (40130117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7389 + ... + 11612.

Almost surely, 2^40130112 is an apocalyptic number.

It is an amenable number.

40130112 is an abundant number, since it is smaller than the sum of its proper divisors (75706080).

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

40130112 is a wasteful number, since it uses less digits than its factorization.

40130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19027 (or 19017 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40130112 is about 6334.8332259026. The cubic root of 40130112 is about 342.3656019831.

Adding to 40130112 its reverse (21103104), we get a palindrome (61233216).

The spelling of 40130112 in words is "forty million, one hundred thirty thousand, one hundred twelve".