40800044 has 6 divisors (see below), whose sum is σ = 71400084. Its totient is φ = 20400020.

The previous prime is 40799989. The next prime is 40800073. The reversal of 40800044 is 44000804.

It is a junction number, because it is equal to n+sod(n) for n = 40799989 and 40800025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100002 + ... + 5100009.

It is an arithmetic number, because the mean of its divisors is an integer number (11900014).

Almost surely, 2^40800044 is an apocalyptic number.

It is an amenable number.

40800044 is a deficient number, since it is larger than the sum of its proper divisors (30600040).

40800044 is a wasteful number, since it uses less digits than its factorization.

40800044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200015 (or 10200013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 40800044 is about 6387.4912133012. The cubic root of 40800044 is about 344.2602478989.

Adding to 40800044 its reverse (44000804), we get a palindrome (84800848).

The spelling of 40800044 in words is "forty million, eight hundred thousand, forty-four".