40904366 has 4 divisors (see below), whose sum is σ = 61356552. Its totient is φ = 20452182.

The previous prime is 40904273. The next prime is 40904387. The reversal of 40904366 is 66340904.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226090 + ... + 10226093.

It is an arithmetic number, because the mean of its divisors is an integer number (15339138).

Almost surely, 2^40904366 is an apocalyptic number.

40904366 is a deficient number, since it is larger than the sum of its proper divisors (20452186).

40904366 is a wasteful number, since it uses less digits than its factorization.

40904366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20452185.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 40904366 is about 6395.6521168681. The cubic root of 40904366 is about 344.5534122187.

The spelling of 40904366 in words is "forty million, nine hundred four thousand, three hundred sixty-six".