40803994 has 16 divisors (see below), whose sum is σ = 76309056. Its totient is φ = 15897600.

The previous prime is 40803991. The next prime is 40804003. The reversal of 40803994 is 49930804.

It is not an unprimeable number, because it can be changed into a prime (40803991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132327 + ... + 132634.

It is an arithmetic number, because the mean of its divisors is an integer number (4769316).

Almost surely, 2^40803994 is an apocalyptic number.

40803994 is a deficient number, since it is larger than the sum of its proper divisors (35505062).

40803994 is a wasteful number, since it uses less digits than its factorization.

40803994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264981.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 40803994 is about 6387.8004038949. The cubic root of 40803994 is about 344.2713572341.

The spelling of 40803994 in words is "forty million, eight hundred three thousand, nine hundred ninety-four".