44561880000 has 1120 divisors, whose sum is σ = 185868503040. Its totient is φ = 10454400000.

The previous prime is 44561879981. The next prime is 44561880007. The reversal of 44561880000 is 8816544.

It is a super-2 number, since 2×44561880000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44561880007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1437479985 + ... + 1437480015.

Almost surely, 2^44561880000 is an apocalyptic number.

44561880000 is a gapful number since it is divisible by the number (40) 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 44561880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92934251520).

44561880000 is an abundant number, since it is smaller than the sum of its proper divisors (141306623040).

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

44561880000 is an equidigital number, since it uses as much as digits as its factorization.

44561880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 44561880000 in words is "forty-four billion, five hundred sixty-one million, eight hundred eighty thousand".