44122644819 has 96 divisors (see below), whose sum is σ = 74233635840. Its totient is φ = 25001625600.

The previous prime is 44122644809. The next prime is 44122644821. The reversal of 44122644819 is 91844622144.

44122644819 is a `hidden beast` number, since 44 + 122 + 6 + 4 + 481 + 9 = 666.

It is not a de Polignac number, because 44122644819 - 2⁷ = 44122644691 is a prime.

It is a super-2 number, since 2×44122644819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44122644809) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13087204 + ... + 13090574.

It is an arithmetic number, because the mean of its divisors is an integer number (773267040).

Almost surely, 2^44122644819 is an apocalyptic number.

44122644819 is a deficient number, since it is larger than the sum of its proper divisors (30110991021).

44122644819 is a wasteful number, since it uses less digits than its factorization.

44122644819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3558 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 44122644819 in words is "forty-four billion, one hundred twenty-two million, six hundred forty-four thousand, eight hundred nineteen".