40612172 has 12 divisors (see below), whose sum is σ = 71142456. Its totient is φ = 20285760.

The previous prime is 40612147. The next prime is 40612189. The reversal of 40612172 is 27121604.

40612172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (5928538).

Almost surely, 2^40612172 is an apocalyptic number.

It is an amenable number.

40612172 is a deficient number, since it is larger than the sum of its proper divisors (30530284).

40612172 is a wasteful number, since it uses less digits than its factorization.

40612172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168 (or 10166 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40612172 is about 6372.7680014261. The cubic root of 40612172 is about 343.7310296088.

Adding to 40612172 its reverse (27121604), we get a palindrome (67733776).

The spelling of 40612172 in words is "forty million, six hundred twelve thousand, one hundred seventy-two".