44240809860 has 216 divisors, whose sum is σ = 153863728200. Its totient is φ = 10249334784.

The previous prime is 44240809859. The next prime is 44240809861. The reversal of 44240809860 is 6890804244.

44240809860 is a `hidden beast` number, since 4 + 424 + 0 + 80 + 98 + 60 = 666.

44240809860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44240809859) and next prime (44240809861).

It can be written as a sum of positive squares in 12 ways, for example, as 33042514176 + 11198295684 = 181776^2 + 105822^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (44240809861) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 474366 + ... + 559914.

It is an arithmetic number, because the mean of its divisors is an integer number (712332075).

Almost surely, 2^44240809860 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 44240809860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76931864100).

44240809860 is an abundant number, since it is smaller than the sum of its proper divisors (109622918340).

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

44240809860 is a wasteful number, since it uses less digits than its factorization.

44240809860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85607 (or 85589 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 44240809860 in words is "forty-four billion, two hundred forty million, eight hundred nine thousand, eight hundred sixty".