40112930 has 32 divisors (see below), whose sum is σ = 84829248. Its totient is φ = 13464000.

The previous prime is 40112903. The next prime is 40112939. The reversal of 40112930 is 3921104.

It is not an unprimeable number, because it can be changed into a prime (40112939) 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, 12596 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (2650914).

Almost surely, 2^40112930 is an apocalyptic number.

40112930 is an abundant number, since it is smaller than the sum of its proper divisors (44716318).

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

40112930 is a wasteful number, since it uses less digits than its factorization.

40112930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28082.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40112930 is about 6333.4769281967. The cubic root of 40112930 is about 342.3167328984.

It can be divided in two parts, 401 and 12930, that added together give a palindrome (13331).

The spelling of 40112930 in words is "forty million, one hundred twelve thousand, nine hundred thirty".