44439314920 has 512 divisors, whose sum is σ = 140251668480. Its totient is φ = 12227604480.

The previous prime is 44439314903. The next prime is 44439314929. The reversal of 44439314920 is 2941393444.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (44439314929) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91250917 + ... + 91251403.

It is an arithmetic number, because the mean of its divisors is an integer number (273929040).

Almost surely, 2^44439314920 is an apocalyptic number.

44439314920 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 44439314920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70125834240).

44439314920 is an abundant number, since it is smaller than the sum of its proper divisors (95812353560).

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

44439314920 is a wasteful number, since it uses less digits than its factorization.

44439314920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 44439314920 in words is "forty-four billion, four hundred thirty-nine million, three hundred fourteen thousand, nine hundred twenty".