44277987972 has 24 divisors (see below), whose sum is σ = 103747593600. Its totient is φ = 14697573856.

The previous prime is 44277987947. The next prime is 44277988003. The reversal of 44277987972 is 27978977244.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7716447 + ... + 7722182.

It is an arithmetic number, because the mean of its divisors is an integer number (4322816400).

Almost surely, 2^44277987972 is an apocalyptic number.

It is an amenable number.

44277987972 is an abundant number, since it is smaller than the sum of its proper divisors (59469605628).

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

44277987972 is a wasteful number, since it uses less digits than its factorization.

44277987972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438875 (or 15438873 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 66.

The spelling of 44277987972 in words is "forty-four billion, two hundred seventy-seven million, nine hundred eighty-seven thousand, nine hundred seventy-two".