44564111644 has 48 divisors (see below), whose sum is σ = 88954963776. Its totient is φ = 19351987200.

The previous prime is 44564111639. The next prime is 44564111677. The reversal of 44564111644 is 44611146544.

It is a junction number, because it is equal to n+sod(n) for n = 44564111597 and 44564111606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760809 + ... + 3772639.

It is an arithmetic number, because the mean of its divisors is an integer number (1853228412).

Almost surely, 2^44564111644 is an apocalyptic number.

It is an amenable number.

44564111644 is a deficient number, since it is larger than the sum of its proper divisors (44390852132).

44564111644 is a wasteful number, since it uses less digits than its factorization.

44564111644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126 (or 16124 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The spelling of 44564111644 in words is "forty-four billion, five hundred sixty-four million, one hundred eleven thousand, six hundred forty-four".