40112431 has 8 divisors (see below), whose sum is σ = 40839984. Its totient is φ = 39388800.

The previous prime is 40112411. The next prime is 40112461. The reversal of 40112431 is 13421104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40112431 - 2⁵ = 40112399 is a prime.

It is a super-2 number, since 2×40112431² = 3218014241459522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26121 + ... + 27613.

It is an arithmetic number, because the mean of its divisors is an integer number (5104998).

Almost surely, 2^40112431 is an apocalyptic number.

40112431 is a deficient number, since it is larger than the sum of its proper divisors (727553).

40112431 is a wasteful number, since it uses less digits than its factorization.

40112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40112431 is about 6333.4375342305. The cubic root of 40112431 is about 342.3153134329.

Adding to 40112431 its reverse (13421104), we get a palindrome (53533535).

The spelling of 40112431 in words is "forty million, one hundred twelve thousand, four hundred thirty-one".