40613844 has 48 divisors (see below), whose sum is σ = 100136960. Its totient is φ = 12791520.

The previous prime is 40613831. The next prime is 40613851. The reversal of 40613844 is 44831604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14727 + ... + 17265.

Almost surely, 2^40613844 is an apocalyptic number.

It is an amenable number.

40613844 is an abundant number, since it is smaller than the sum of its proper divisors (59523116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40613844 is a wasteful number, since it uses less digits than its factorization.

40613844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40613844 is about 6372.8991832603. The cubic root of 40613844 is about 343.7357466707.

The spelling of 40613844 in words is "forty million, six hundred thirteen thousand, eight hundred forty-four".