40046784 has 28 divisors (see below), whose sum is σ = 105957624. Its totient is φ = 13348864.

The previous prime is 40046777. The next prime is 40046801. The reversal of 40046784 is 48764004.

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, 104097 + ... + 104480.

Almost surely, 2^40046784 is an apocalyptic number.

It is an amenable number.

40046784 is an abundant number, since it is smaller than the sum of its proper divisors (65910840).

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

40046784 is a wasteful number, since it uses less digits than its factorization.

40046784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208592 (or 208582 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 40046784 is about 6328.2528394494. The cubic root of 40046784 is about 342.1284699117.

The spelling of 40046784 in words is "forty million, forty-six thousand, seven hundred eighty-four".