2544329381028 has 48 divisors (see below), whose sum is σ = 5944954055040. Its totient is φ = 846940923904.

The previous prime is 2544329381017. The next prime is 2544329381029. The reversal of 2544329381028 is 8201839234452.

It is a super-2 number, since 2×2544329381028² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2544329381029) 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, 45624250 + ... + 45679982.

It is an arithmetic number, because the mean of its divisors is an integer number (123853209480).

Almost surely, 2^{2544329381028} is an apocalyptic number.

It is an amenable number.

2544329381028 is an abundant number, since it is smaller than the sum of its proper divisors (3400624674012).

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

2544329381028 is a wasteful number, since it uses less digits than its factorization.

2544329381028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60916 (or 60914 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 2544329381028 in words is "two trillion, five hundred forty-four billion, three hundred twenty-nine million, three hundred eighty-one thousand, twenty-eight".