44161521822 has 24 divisors (see below), whose sum is σ = 104381779320. Its totient is φ = 13382279280.

The previous prime is 44161521739. The next prime is 44161521827. The reversal of 44161521822 is 22812516144.

44161521822 is a `hidden beast` number, since 4 + 4 + 1 + 615 + 2 + 18 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161521827) 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 11 ways as a sum of consecutive naturals, for example, 111518797 + ... + 111519192.

It is an arithmetic number, because the mean of its divisors is an integer number (4349240805).

Almost surely, 2^44161521822 is an apocalyptic number.

44161521822 is an abundant number, since it is smaller than the sum of its proper divisors (60220257498).

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

44161521822 is a wasteful number, since it uses less digits than its factorization.

44161521822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223038008 (or 223038005 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 44161521822 in words is "forty-four billion, one hundred sixty-one million, five hundred twenty-one thousand, eight hundred twenty-two".