44487268518 has 256 divisors, whose sum is σ = 123633008640. Its totient is φ = 10325145600.

The previous prime is 44487268517. The next prime is 44487268523. The reversal of 44487268518 is 81586278444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44487268517) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 9550446 + ... + 9555102.

It is an arithmetic number, because the mean of its divisors is an integer number (482941440).

Almost surely, 2^44487268518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44487268518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61816504320).

44487268518 is an abundant number, since it is smaller than the sum of its proper divisors (79145740122).

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

44487268518 is a wasteful number, since it uses less digits than its factorization.

44487268518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its digits is 13762560, while the sum is 57.

The spelling of 44487268518 in words is "forty-four billion, four hundred eighty-seven million, two hundred sixty-eight thousand, five hundred eighteen".