44868686000 has 80 divisors (see below), whose sum is σ = 108789882240. Its totient is φ = 17898278400.

The previous prime is 44868685987. The next prime is 44868686003. The reversal of 44868686000 is 68686844.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 44868686000.

It is not an unprimeable number, because it can be changed into a prime (44868686003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703436 + ... + 764564.

It is an arithmetic number, because the mean of its divisors is an integer number (1359873528).

Almost surely, 2^44868686000 is an apocalyptic number.

44868686000 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 44868686000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54394941120).

44868686000 is an abundant number, since it is smaller than the sum of its proper divisors (63921196240).

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

44868686000 is a wasteful number, since it uses less digits than its factorization.

44868686000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61519 (or 61503 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 44868686000 in words is "forty-four billion, eight hundred sixty-eight million, six hundred eighty-six thousand".