44042004418 has 4 divisors (see below), whose sum is σ = 66063006630. Its totient is φ = 22021002208.

The previous prime is 44042004407. The next prime is 44042004421. The reversal of 44042004418 is 81440024044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36372974089 + 7669030329 = 190717^2 + 87573^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44042004418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010501103 + ... + 11010501106.

Almost surely, 2^44042004418 is an apocalyptic number.

44042004418 is a deficient number, since it is larger than the sum of its proper divisors (22021002212).

44042004418 is a wasteful number, since it uses less digits than its factorization.

44042004418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021002211.

The product of its (nonzero) digits is 16384, while the sum is 31.

The spelling of 44042004418 in words is "forty-four billion, forty-two million, four thousand, four hundred eighteen".