44880640 has 72 divisors (see below), whose sum is σ = 122885280. Its totient is φ = 15384576.

The previous prime is 44880631. The next prime is 44880677. The reversal of 44880640 is 4608844.

It is a junction number, because it is equal to n+sod(n) for n = 44880596 and 44880605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 11464.

It is an arithmetic number, because the mean of its divisors is an integer number (1706740).

Almost surely, 2^44880640 is an apocalyptic number.

44880640 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 44880640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61442640).

44880640 is an abundant number, since it is smaller than the sum of its proper divisors (78004640).

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

44880640 is an equidigital number, since it uses as much as digits as its factorization.

44880640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 44880640 is about 6699.3014561221. The cubic root of 44880640 is about 355.3745699270.

The spelling of 44880640 in words is "forty-four million, eight hundred eighty thousand, six hundred forty".