40904316 has 18 divisors (see below), whose sum is σ = 103397112. Its totient is φ = 13634760.

The previous prime is 40904273. The next prime is 40904387. The reversal of 40904316 is 61340904.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40904316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568080 + ... + 568151.

It is an arithmetic number, because the mean of its divisors is an integer number (5744284).

Almost surely, 2^40904316 is an apocalyptic number.

It is an amenable number.

40904316 is an abundant number, since it is smaller than the sum of its proper divisors (62492796).

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

40904316 is a wasteful number, since it uses less digits than its factorization.

40904316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136241 (or 1136236 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40904316 is about 6395.6482079614. The cubic root of 40904316 is about 344.5532718288.

The spelling of 40904316 in words is "forty million, nine hundred four thousand, three hundred sixteen".