44294307840 has 1024 divisors, whose sum is σ = 181191168000. Its totient is φ = 10192158720.

The previous prime is 44294307829. The next prime is 44294307847. The reversal of 44294307840 is 4870349244.

It is a tau number, because it is divible by the number of its divisors (1024).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44294307847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1428848625 + ... + 1428848655.

It is an arithmetic number, because the mean of its divisors is an integer number (176944500).

Almost surely, 2^44294307840 is an apocalyptic number.

44294307840 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 44294307840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90595584000).

44294307840 is an abundant number, since it is smaller than the sum of its proper divisors (136896860160).

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

44294307840 is a wasteful number, since it uses less digits than its factorization.

44294307840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 44294307840 in words is "forty-four billion, two hundred ninety-four million, three hundred seven thousand, eight hundred forty".