44243896572 has 96 divisors (see below), whose sum is σ = 115897320000. Its totient is φ = 14595178752.

The previous prime is 44243896523. The next prime is 44243896577. The reversal of 44243896572 is 27569834244.

It is a happy number.

44243896572 is a `hidden beast` number, since 44 + 24 + 3 + 8 + 9 + 6 + 572 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243896577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13053454 + ... + 13056842.

It is an arithmetic number, because the mean of its divisors is an integer number (1207263750).

Almost surely, 2^44243896572 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 44243896572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57948660000).

44243896572 is an abundant number, since it is smaller than the sum of its proper divisors (71653423428).

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

44243896572 is a wasteful number, since it uses less digits than its factorization.

44243896572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4612 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 44243896572 in words is "forty-four billion, two hundred forty-three million, eight hundred ninety-six thousand, five hundred seventy-two".