40423612 has 24 divisors (see below), whose sum is σ = 72814896. Its totient is φ = 19625088.

The previous prime is 40423609. The next prime is 40423633. The reversal of 40423612 is 21632404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33288 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (3033954).

Almost surely, 2^40423612 is an apocalyptic number.

It is an amenable number.

40423612 is a deficient number, since it is larger than the sum of its proper divisors (32391284).

40423612 is a wasteful number, since it uses less digits than its factorization.

40423612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40423612 is about 6357.9565899745. The cubic root of 40423612 is about 343.1982296426.

The spelling of 40423612 in words is "forty million, four hundred twenty-three thousand, six hundred twelve".