40156612 has 12 divisors (see below), whose sum is σ = 71769600. Its totient is φ = 19651016.

The previous prime is 40156607. The next prime is 40156637. The reversal of 40156612 is 21665104.

40156612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40156612² = 3225106974637088, which contains 22 as substring.

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, 106612 + ... + 106987.

It is an arithmetic number, because the mean of its divisors is an integer number (5980800).

Almost surely, 2^40156612 is an apocalyptic number.

It is an amenable number.

40156612 is a deficient number, since it is larger than the sum of its proper divisors (31612988).

40156612 is a wasteful number, since it uses less digits than its factorization.

40156612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213650 (or 213648 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40156612 is about 6336.9244906342. The cubic root of 40156612 is about 342.4409460051.

The spelling of 40156612 in words is "forty million, one hundred fifty-six thousand, six hundred twelve".