44861643930 has 64 divisors (see below), whose sum is σ = 108361722240. Its totient is φ = 11886268416.

The previous prime is 44861643929. The next prime is 44861643941. The reversal of 44861643930 is 3934616844.

It is a super-2 number, since 2×44861643930² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44861643930.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2989486 + ... + 3004454.

It is an arithmetic number, because the mean of its divisors is an integer number (1693151910).

Almost surely, 2^44861643930 is an apocalyptic number.

44861643930 is an abundant number, since it is smaller than the sum of its proper divisors (63500078310).

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

44861643930 is a wasteful number, since it uses less digits than its factorization.

44861643930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15615.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 44861643930 in words is "forty-four billion, eight hundred sixty-one million, six hundred forty-three thousand, nine hundred thirty".