44561880 has 256 divisors, whose sum is σ = 168652800. Its totient is φ = 10454400.

The previous prime is 44561873. The next prime is 44561921. The reversal of 44561880 is 8816544.

It is a super-2 number, since 2×44561880² = 3971522298268800, which 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 an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1437465 + ... + 1437495.

It is an arithmetic number, because the mean of its divisors is an integer number (658800).

Almost surely, 2^44561880 is an apocalyptic number.

44561880 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 44561880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84326400).

44561880 is an abundant number, since it is smaller than the sum of its proper divisors (124090920).

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

44561880 is a wasteful number, since it uses less digits than its factorization.

44561880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 52 counting only the distinct ones).

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

The square root of 44561880 is about 6675.4685228829. The cubic root of 44561880 is about 354.5312334264.

It can be divided in two parts, 4456 and 1880, that added together give a palindrome (6336).

The spelling of 44561880 in words is "forty-four million, five hundred sixty-one thousand, eight hundred eighty".