44443312140 has 48 divisors (see below), whose sum is σ = 125136506880. Its totient is φ = 11785337280.

The previous prime is 44443312117. The next prime is 44443312217. The reversal of 44443312140 is 4121334444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44443312098 and 44443312107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058316 + ... + 2079795.

It is an arithmetic number, because the mean of its divisors is an integer number (2607010560).

Almost surely, 2^44443312140 is an apocalyptic number.

It is an amenable number.

44443312140 is an abundant number, since it is smaller than the sum of its proper divisors (80693194740).

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

44443312140 is a wasteful number, since it uses less digits than its factorization.

44443312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138302 (or 4138300 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 44443312140 its reverse (4121334444), we get a palindrome (48564646584).

The spelling of 44443312140 in words is "forty-four billion, four hundred forty-three million, three hundred twelve thousand, one hundred forty".