44729468728 has 128 divisors (see below), whose sum is σ = 101397381120. Its totient is φ = 18093588480.

The previous prime is 44729468699. The next prime is 44729468743. The reversal of 44729468728 is 82786492744.

It is a congruent number.

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, 28801200 + ... + 28802752.

It is an arithmetic number, because the mean of its divisors is an integer number (792167040).

Almost surely, 2^44729468728 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 44729468728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50698690560).

44729468728 is an abundant number, since it is smaller than the sum of its proper divisors (56667912392).

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

44729468728 is a wasteful number, since it uses less digits than its factorization.

44729468728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 61.

The spelling of 44729468728 in words is "forty-four billion, seven hundred twenty-nine million, four hundred sixty-eight thousand, seven hundred twenty-eight".