40431112 has 8 divisors (see below), whose sum is σ = 75808350. Its totient is φ = 20215552.

The previous prime is 40431109. The next prime is 40431113. The reversal of 40431112 is 21113404.

It can be written as a sum of positive squares in only one way, i.e., 24860196 + 15570916 = 4986^2 + 3946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40431113) 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 as a sum of consecutive naturals, namely, 2526937 + ... + 2526952.

Almost surely, 2^40431112 is an apocalyptic number.

It is an amenable number.

40431112 is a deficient number, since it is larger than the sum of its proper divisors (35377238).

40431112 is a wasteful number, since it uses less digits than its factorization.

40431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053895 (or 5053891 counting only the distinct ones).

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

The square root of 40431112 is about 6358.5463747621. The cubic root of 40431112 is about 343.2194534391.

Adding to 40431112 its reverse (21113404), we get a palindrome (61544516).

The spelling of 40431112 in words is "forty million, four hundred thirty-one thousand, one hundred twelve".