44638880000 has 360 divisors, whose sum is σ = 130876306176. Its totient is φ = 14976000000.

The previous prime is 44638879969. The next prime is 44638880023. The reversal of 44638880000 is 8883644.

It is a self number, because there is not a number n which added to its sum of digits gives 44638880000.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 22879025 + ... + 22880975.

Almost surely, 2^44638880000 is an apocalyptic number.

44638880000 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 44638880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65438153088).

44638880000 is an abundant number, since it is smaller than the sum of its proper divisors (86237426176).

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

44638880000 is a wasteful number, since it uses less digits than its factorization.

44638880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 44638880000 in words is "forty-four billion, six hundred thirty-eight million, eight hundred eighty thousand".