44564464156 has 24 divisors (see below), whose sum is σ = 82607527296. Its totient is φ = 20963335680.

The previous prime is 44564464123. The next prime is 44564464171. The reversal of 44564464156 is 65146446544.

It is a happy number.

It is a super-2 number, since 2×44564464156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49720 + ... + 302656.

It is an arithmetic number, because the mean of its divisors is an integer number (3441980304).

Almost surely, 2^44564464156 is an apocalyptic number.

It is an amenable number.

44564464156 is a deficient number, since it is larger than the sum of its proper divisors (38043063140).

44564464156 is a wasteful number, since it uses less digits than its factorization.

44564464156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255549 (or 255547 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 44564464156 in words is "forty-four billion, five hundred sixty-four million, four hundred sixty-four thousand, one hundred fifty-six".