44123242019 has 4 divisors (see below), whose sum is σ = 44166039600. Its totient is φ = 44080444440.

The previous prime is 44123241979. The next prime is 44123242063. The reversal of 44123242019 is 91024232144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44123242019 - 2²⁰ = 44122193443 is a prime.

It is a super-2 number, since 2×44123242019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44123242069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21397244 + ... + 21399305.

It is an arithmetic number, because the mean of its divisors is an integer number (11041509900).

Almost surely, 2^44123242019 is an apocalyptic number.

44123242019 is a deficient number, since it is larger than the sum of its proper divisors (42797581).

44123242019 is a wasteful number, since it uses less digits than its factorization.

44123242019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42797580.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 44123242019 in words is "forty-four billion, one hundred twenty-three million, two hundred forty-two thousand, nineteen".