5444637686628 has 96 divisors (see below), whose sum is σ = 14680282337280. Its totient is φ = 1538370902400.

The previous prime is 5444637686599. The next prime is 5444637686629. The reversal of 5444637686628 is 8266867364445.

It is not an unprimeable number, because it can be changed into a prime (5444637686629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6735625 + ... + 7500527.

It is an arithmetic number, because the mean of its divisors is an integer number (152919607680).

Almost surely, 2^{5444637686628} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5444637686628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7340141168640).

5444637686628 is an abundant number, since it is smaller than the sum of its proper divisors (9235644650652).

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

5444637686628 is a wasteful number, since it uses less digits than its factorization.

5444637686628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765857 (or 765855 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 69.

The spelling of 5444637686628 in words is "five trillion, four hundred forty-four billion, six hundred thirty-seven million, six hundred eighty-six thousand, six hundred twenty-eight".