44436061520 has 80 divisors (see below), whose sum is σ = 109081202880. Its totient is φ = 16787865600.

The previous prime is 44436061513. The next prime is 44436061603. The reversal of 44436061520 is 2516063444.

It is a tau number, because it is divible by the number of its divisors (80).

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, 458960 + ... + 547280.

It is an arithmetic number, because the mean of its divisors is an integer number (1363515036).

Almost surely, 2^44436061520 is an apocalyptic number.

44436061520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44436061520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54540601440).

44436061520 is an abundant number, since it is smaller than the sum of its proper divisors (64645141360).

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

44436061520 is a wasteful number, since it uses less digits than its factorization.

44436061520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88684 (or 88678 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 44436061520 in words is "forty-four billion, four hundred thirty-six million, sixty-one thousand, five hundred twenty".