44897444560 has 40 divisors (see below), whose sum is σ = 105400039680. Its totient is φ = 17784615552.

The previous prime is 44897444513. The next prime is 44897444563. The reversal of 44897444560 is 6544479844.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44897444563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716120 + ... + 2732599.

It is an arithmetic number, because the mean of its divisors is an integer number (2635000992).

Almost surely, 2^44897444560 is an apocalyptic number.

44897444560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44897444560 is an abundant number, since it is smaller than the sum of its proper divisors (60502595120).

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

44897444560 is a wasteful number, since it uses less digits than its factorization.

44897444560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448835 (or 5448829 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 44897444560 in words is "forty-four billion, eight hundred ninety-seven million, four hundred forty-four thousand, five hundred sixty".