44539782722 has 18 divisors (see below), whose sum is σ = 67701911193. Its totient is φ = 21976353984.

The previous prime is 44539782719. The next prime is 44539782731. The reversal of 44539782722 is 22728793544.

It can be written as a sum of positive squares in 2 ways, for example, as 44524798081 + 14984641 = 211009^2 + 3871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=149231.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 23577554 + ... + 23579442.

Almost surely, 2^44539782722 is an apocalyptic number.

44539782722 is a deficient number, since it is larger than the sum of its proper divisors (23162128471).

44539782722 is an frugal number, since it uses more digits than its factorization.

44539782722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 1970 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The spelling of 44539782722 in words is "forty-four billion, five hundred thirty-nine million, seven hundred eighty-two thousand, seven hundred twenty-two".