44391310650 has 144 divisors (see below), whose sum is σ = 123573340800. Its totient is φ = 11411326080.

The previous prime is 44391310631. The next prime is 44391310657. The reversal of 44391310650 is 5601319344.

It is a super-2 number, since 2×44391310650² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44391310657) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9485011 + ... + 9489689.

It is an arithmetic number, because the mean of its divisors is an integer number (858148200).

Almost surely, 2^44391310650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44391310650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61786670400).

44391310650 is an abundant number, since it is smaller than the sum of its proper divisors (79182030150).

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

44391310650 is a wasteful number, since it uses less digits than its factorization.

44391310650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 44391310650 its reverse (5601319344), we get a palindrome (49992629994).

The spelling of 44391310650 in words is "forty-four billion, three hundred ninety-one million, three hundred ten thousand, six hundred fifty".