44814826018644 has 144 divisors (see below), whose sum is σ = 116460983882880. Its totient is φ = 13400948633600.

The previous prime is 44814826018619. The next prime is 44814826018667. The reversal of 44814826018644 is 44681062841844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64656964 + ... + 65346404.

It is an arithmetic number, because the mean of its divisors is an integer number (808756832520).

Almost surely, 2^{44814826018644} is an apocalyptic number.

44814826018644 is a gapful number since it is divisible by the number (44) 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 44814826018644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58230491941440).

44814826018644 is an abundant number, since it is smaller than the sum of its proper divisors (71646157864236).

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

44814826018644 is a wasteful number, since it uses less digits than its factorization.

44814826018644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690062 (or 690049 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 60.

The spelling of 44814826018644 in words is "forty-four trillion, eight hundred fourteen billion, eight hundred twenty-six million, eighteen thousand, six hundred forty-four".