40304916 has 36 divisors (see below), whose sum is σ = 102347700. Its totient is φ = 13373568.

The previous prime is 40304903. The next prime is 40304917. The reversal of 40304916 is 61940304.

It can be written as a sum of positive squares in 2 ways, for example, as 33524100 + 6780816 = 5790^2 + 2604^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40304916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5800 + ... + 10688.

Almost surely, 2^40304916 is an apocalyptic number.

It is an amenable number.

40304916 is an abundant number, since it is smaller than the sum of its proper divisors (62042784).

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

40304916 is a wasteful number, since it uses less digits than its factorization.

40304916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5123 counting only the distinct ones).

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

The square root of 40304916 is about 6348.6152820910. The cubic root of 40304916 is about 342.8619889196.

The spelling of 40304916 in words is "forty million, three hundred four thousand, nine hundred sixteen".