4400488044 has 18 divisors (see below), whose sum is σ = 11123455980. Its totient is φ = 1466829336.

The previous prime is 4400488021. The next prime is 4400488051. The reversal of 4400488044 is 4408840044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 122235779 = 4400488044 / (4 + 4 + 0 + 0 + 4 + 8 + 8 + 0 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61117854 + ... + 61117925.

Almost surely, 2^4400488044 is an apocalyptic number.

It is an amenable number.

4400488044 is an abundant number, since it is smaller than the sum of its proper divisors (6722967936).

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

4400488044 is a wasteful number, since it uses less digits than its factorization.

4400488044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122235789 (or 122235784 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The square root of 4400488044 is about 66336.1744751685. The cubic root of 4400488044 is about 1638.7031245417.

The spelling of 4400488044 in words is "four billion, four hundred million, four hundred eighty-eight thousand, forty-four".