40044400808 has 16 divisors (see below), whose sum is σ = 76203898080. Its totient is φ = 19723361328.

The previous prime is 40044400801. The next prime is 40044400829. The reversal of 40044400808 is 80800444004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40044400801) 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, 37354316 + ... + 37355387.

It is an arithmetic number, because the mean of its divisors is an integer number (4762743630).

Almost surely, 2^40044400808 is an apocalyptic number.

It is an amenable number.

40044400808 is a deficient number, since it is larger than the sum of its proper divisors (36159497272).

40044400808 is a wasteful number, since it uses less digits than its factorization.

40044400808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74709776 (or 74709772 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 40044400808 in words is "forty billion, forty-four million, four hundred thousand, eight hundred eight".