40804306 has 4 divisors (see below), whose sum is σ = 61206462. Its totient is φ = 20402152.

The previous prime is 40804271. The next prime is 40804321. The reversal of 40804306 is 60340804.

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

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 17850625 = 4791^2 + 4225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201075 + ... + 10201078.

Almost surely, 2^40804306 is an apocalyptic number.

40804306 is a deficient number, since it is larger than the sum of its proper divisors (20402156).

40804306 is a wasteful number, since it uses less digits than its factorization.

40804306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402155.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40804306 is about 6387.8248254003. The cubic root of 40804306 is about 344.2722347004.

The spelling of 40804306 in words is "forty million, eight hundred four thousand, three hundred six".