44000044040 has 16 divisors (see below), whose sum is σ = 99000099180. Its totient is φ = 17600017600.

The previous prime is 44000044027. The next prime is 44000044063. The reversal of 44000044040 is 4044000044.

It can be written as a sum of positive squares in 2 ways, for example, as 40414669156 + 3585374884 = 201034^2 + 59878^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550000511 + ... + 550000590.

Almost surely, 2^44000044040 is an apocalyptic number.

44000044040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44000044040 is an abundant number, since it is smaller than the sum of its proper divisors (55000055140).

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

44000044040 is a wasteful number, since it uses less digits than its factorization.

44000044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100001112 (or 1100001108 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 44000044040 its reverse (4044000044), we get a palindrome (48044044084).

It can be divided in two parts, 4400004 and 4040, that added together give a palindrome (4404044).

The spelling of 44000044040 in words is "forty-four billion, forty-four thousand, forty", and thus it is an eban number.