44363630640 has 320 divisors, whose sum is σ = 159675494400. Its totient is φ = 9979994112.

The previous prime is 44363630621. The next prime is 44363630653. The reversal of 44363630640 is 4603636344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40220329 + ... + 40221431.

It is an arithmetic number, because the mean of its divisors is an integer number (498985920).

Almost surely, 2^44363630640 is an apocalyptic number.

44363630640 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 44363630640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79837747200).

44363630640 is an abundant number, since it is smaller than the sum of its proper divisors (115311863760).

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

44363630640 is a wasteful number, since it uses less digits than its factorization.

44363630640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 44363630640 in words is "forty-four billion, three hundred sixty-three million, six hundred thirty thousand, six hundred forty".