40916172 has 48 divisors (see below), whose sum is σ = 108686592. Its totient is φ = 11858880.

The previous prime is 40916143. The next prime is 40916173. The reversal of 40916172 is 27161904.

It is a happy number.

It is a super-2 number, since 2×40916172² = 3348266262267168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40916173) 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 15 ways as a sum of consecutive naturals, for example, 3703 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (2264304).

Almost surely, 2^40916172 is an apocalyptic number.

It is an amenable number.

40916172 is an abundant number, since it is smaller than the sum of its proper divisors (67770420).

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

40916172 is a wasteful number, since it uses less digits than its factorization.

40916172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518 (or 13516 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 40916172 is about 6396.5750210562. The cubic root of 40916172 is about 344.5865578760.

The spelling of 40916172 in words is "forty million, nine hundred sixteen thousand, one hundred seventy-two".