40903844 has 12 divisors (see below), whose sum is σ = 74694144. Its totient is φ = 19562664.

The previous prime is 40903843. The next prime is 40903859. The reversal of 40903844 is 44830904.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40903844.

It is not an unprimeable number, because it can be changed into a prime (40903843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222212 + ... + 222395.

It is an arithmetic number, because the mean of its divisors is an integer number (6224512).

Almost surely, 2^40903844 is an apocalyptic number.

It is an amenable number.

40903844 is a deficient number, since it is larger than the sum of its proper divisors (33790300).

40903844 is a wasteful number, since it uses less digits than its factorization.

40903844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444634 (or 444632 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40903844 is about 6395.6113077641. The cubic root of 40903844 is about 344.5519465427.

The spelling of 40903844 in words is "forty million, nine hundred three thousand, eight hundred forty-four".