40831116 has 12 divisors (see below), whose sum is σ = 95272632. Its totient is φ = 13610368.

The previous prime is 40831099. The next prime is 40831117. The reversal of 40831116 is 61113804.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40831117) 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 3 ways as a sum of consecutive naturals, for example, 1701285 + ... + 1701308.

It is an arithmetic number, because the mean of its divisors is an integer number (7939386).

Almost surely, 2^40831116 is an apocalyptic number.

It is an amenable number.

40831116 is an abundant number, since it is smaller than the sum of its proper divisors (54441516).

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

40831116 is a wasteful number, since it uses less digits than its factorization.

40831116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402600 (or 3402598 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 40831116 is about 6389.9230042310. The cubic root of 40831116 is about 344.3476182304.

The spelling of 40831116 in words is "forty million, eight hundred thirty-one thousand, one hundred sixteen".