44447040000 has 1200 divisors, whose sum is σ = 185461683264. Its totient is φ = 10137600000.

The previous prime is 44447039993. The next prime is 44447040007. The reversal of 44447040000 is 4074444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44447039993) and next prime (44447040007).

It is a tau number, because it is divible by the number of its divisors (1200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44447040007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 728639970 + ... + 728640030.

Almost surely, 2^44447040000 is an apocalyptic number.

44447040000 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 44447040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92730841632).

44447040000 is an abundant number, since it is smaller than the sum of its proper divisors (141014643264).

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

44447040000 is a wasteful number, since it uses less digits than its factorization.

44447040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The spelling of 44447040000 in words is "forty-four billion, four hundred forty-seven million, forty thousand".