44653361664 has 80 divisors (see below), whose sum is σ = 119005999200. Its totient is φ = 14878617600.

The previous prime is 44653361629. The next prime is 44653361699. The reversal of 44653361664 is 46616335644.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44653361629) and next prime (44653361699).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5911362 + ... + 5918910.

It is an arithmetic number, because the mean of its divisors is an integer number (1487574990).

Almost surely, 2^44653361664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44653361664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59502999600).

44653361664 is an abundant number, since it is smaller than the sum of its proper divisors (74352637536).

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

44653361664 is an equidigital number, since it uses as much as digits as its factorization.

44653361664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11421 (or 11405 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The spelling of 44653361664 in words is "forty-four billion, six hundred fifty-three million, three hundred sixty-one thousand, six hundred sixty-four".