40900394 has 8 divisors (see below), whose sum is σ = 64018080. Its totient is φ = 19561036.

The previous prime is 40900337. The next prime is 40900403. The reversal of 40900394 is 49300904.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444524 + ... + 444615.

It is an arithmetic number, because the mean of its divisors is an integer number (8002260).

Almost surely, 2^40900394 is an apocalyptic number.

40900394 is a deficient number, since it is larger than the sum of its proper divisors (23117686).

40900394 is a wasteful number, since it uses less digits than its factorization.

40900394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889164.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 40900394 is about 6395.3415858733. The cubic root of 40900394 is about 344.5422592898.

The spelling of 40900394 in words is "forty million, nine hundred thousand, three hundred ninety-four".