44130218772 has 48 divisors (see below), whose sum is σ = 108131974272. Its totient is φ = 13980869760.

The previous prime is 44130218771. The next prime is 44130218779. The reversal of 44130218772 is 27781203144.

It is a self number, because there is not a number n which added to its sum of digits gives 44130218772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44130218771) 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 15 ways as a sum of consecutive naturals, for example, 465879 + ... + 552542.

It is an arithmetic number, because the mean of its divisors is an integer number (2252749464).

Almost surely, 2^44130218772 is an apocalyptic number.

It is an amenable number.

44130218772 is an abundant number, since it is smaller than the sum of its proper divisors (64001755500).

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

44130218772 is a wasteful number, since it uses less digits than its factorization.

44130218772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018608 (or 1018606 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 44130218772 in words is "forty-four billion, one hundred thirty million, two hundred eighteen thousand, seven hundred seventy-two".