44731709568 has 720 divisors, whose sum is σ = 168004919610. Its totient is φ = 11774730240.

The previous prime is 44731709549. The next prime is 44731709569. The reversal of 44731709568 is 86590713744.

44731709568 is a `hidden beast` number, since 4 + 4 + 7 + 3 + 1 + 70 + 9 + 568 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 17570032704 + 27161676864 = 132552^2 + 164808^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (44731709569) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 85857148 + ... + 85857668.

Almost surely, 2^44731709568 is an apocalyptic number.

44731709568 is a gapful number since it is divisible by the number (48) 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 44731709568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84002459805).

44731709568 is an abundant number, since it is smaller than the sum of its proper divisors (123273210042).

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

44731709568 is a wasteful number, since it uses less digits than its factorization.

44731709568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 44731709568 in words is "forty-four billion, seven hundred thirty-one million, seven hundred nine thousand, five hundred sixty-eight".