40416944 has 20 divisors (see below), whose sum is σ = 78417600. Its totient is φ = 20180160.

The previous prime is 40416931. The next prime is 40416967. The reversal of 40416944 is 44961404.

It is a self number, because there is not a number n which added to its sum of digits gives 40416944.

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, 14582 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (3920880).

Almost surely, 2^40416944 is an apocalyptic number.

It is an amenable number.

40416944 is a deficient number, since it is larger than the sum of its proper divisors (38000656).

40416944 is a wasteful number, since it uses less digits than its factorization.

40416944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40416944 is about 6357.4321860323. The cubic root of 40416944 is about 343.1793580679.

The spelling of 40416944 in words is "forty million, four hundred sixteen thousand, nine hundred forty-four".