44997002728 has 8 divisors (see below), whose sum is σ = 84369380130. Its totient is φ = 22498501360.

The previous prime is 44997002723. The next prime is 44997002731. The reversal of 44997002728 is 82720079944.

44997002728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43363064644 + 1633938084 = 208238^2 + 40422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (44997002723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812312663 + ... + 2812312678.

Almost surely, 2^44997002728 is an apocalyptic number.

It is an amenable number.

44997002728 is a deficient number, since it is larger than the sum of its proper divisors (39372377402).

44997002728 is a wasteful number, since it uses less digits than its factorization.

44997002728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624625347 (or 5624625343 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 44997002728 in words is "forty-four billion, nine hundred ninety-seven million, two thousand, seven hundred twenty-eight".