44544621604 has 96 divisors (see below), whose sum is σ = 93351444480. Its totient is φ = 18201843072.

The previous prime is 44544621599. The next prime is 44544621607. The reversal of 44544621604 is 40612644544.

It is not an unprimeable number, because it can be changed into a prime (44544621607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10918437 + ... + 10922515.

It is an arithmetic number, because the mean of its divisors is an integer number (972410880).

Almost surely, 2^44544621604 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 44544621604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46675722240).

44544621604 is an abundant number, since it is smaller than the sum of its proper divisors (48806822876).

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

44544621604 is a wasteful number, since it uses less digits than its factorization.

44544621604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 44544621604 in words is "forty-four billion, five hundred forty-four million, six hundred twenty-one thousand, six hundred four".