40088704 has 32 divisors (see below), whose sum is σ = 82448640. Its totient is φ = 19395840.

The previous prime is 40088647. The next prime is 40088707. The reversal of 40088704 is 40788004.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (40088707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (2576520).

Almost surely, 2^40088704 is an apocalyptic number.

It is an amenable number.

40088704 is an abundant number, since it is smaller than the sum of its proper divisors (42359936).

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

40088704 is a wasteful number, since it uses less digits than its factorization.

40088704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148 (or 10136 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40088704 is about 6331.5641037582. The cubic root of 40088704 is about 342.2478055373.

The spelling of 40088704 in words is "forty million, eighty-eight thousand, seven hundred four".