44402285772 has 108 divisors (see below), whose sum is σ = 126357429744. Its totient is φ = 13068158400.

The previous prime is 44402285723. The next prime is 44402285777. The reversal of 44402285772 is 27758220444.

It is not an unprimeable number, because it can be changed into a prime (44402285777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 157897 + ... + 337247.

Almost surely, 2^44402285772 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 44402285772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63178714872).

44402285772 is an abundant number, since it is smaller than the sum of its proper divisors (81955143972).

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

44402285772 is a wasteful number, since it uses less digits than its factorization.

44402285772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179420 (or 179392 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The spelling of 44402285772 in words is "forty-four billion, four hundred two million, two hundred eighty-five thousand, seven hundred seventy-two".