44355337640 has 64 divisors (see below), whose sum is σ = 102242986560. Its totient is φ = 17308730880.

The previous prime is 44355337603. The next prime is 44355337657. The reversal of 44355337640 is 4673355344.

44355337640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44355337591 and 44355337600.

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, 1458995 + ... + 1489085.

It is an arithmetic number, because the mean of its divisors is an integer number (1597546665).

Almost surely, 2^44355337640 is an apocalyptic number.

44355337640 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 44355337640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51121493280).

44355337640 is an abundant number, since it is smaller than the sum of its proper divisors (57887648920).

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

44355337640 is a wasteful number, since it uses less digits than its factorization.

44355337640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31002 (or 30998 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 44355337640 in words is "forty-four billion, three hundred fifty-five million, three hundred thirty-seven thousand, six hundred forty".