40011616 has 24 divisors (see below), whose sum is σ = 78918840. Its totient is φ = 19968768.

The previous prime is 40011599. The next prime is 40011623. The reversal of 40011616 is 61611004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40011593 and 40011602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26695 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (3288285).

Almost surely, 2^40011616 is an apocalyptic number.

It is an amenable number.

40011616 is a deficient number, since it is larger than the sum of its proper divisors (38907224).

40011616 is a wasteful number, since it uses less digits than its factorization.

40011616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 40011616 is about 6325.4735791085. The cubic root of 40011616 is about 342.0282912656.

The spelling of 40011616 in words is "forty million, eleven thousand, six hundred sixteen".