40804044 has 48 divisors (see below), whose sum is σ = 101186400. Its totient is φ = 12773376.

The previous prime is 40804031. The next prime is 40804051. The reversal of 40804044 is 44040804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11292 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (2108050).

Almost surely, 2^40804044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40804044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50593200).

40804044 is an abundant number, since it is smaller than the sum of its proper divisors (60382356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40804044 is a wasteful number, since it uses less digits than its factorization.

40804044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 40804044 is about 6387.8043176040. The cubic root of 40804044 is about 344.2714978540.

Adding to 40804044 its reverse (44040804), we get a palindrome (84844848).

The spelling of 40804044 in words is "forty million, eight hundred four thousand, forty-four".