2544045430525 has 24 divisors (see below), whose sum is σ = 3157498699560. Its totient is φ = 2033377474560.

The previous prime is 2544045430489. The next prime is 2544045430567. The reversal of 2544045430525 is 5250345404452.

It can be written as a sum of positive squares in 12 ways, for example, as 181685652516 + 2362359778009 = 426246^2 + 1536997^2 .

It is not a de Polignac number, because 2544045430525 - 2⁹ = 2544045430013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306618177 + ... + 306626473.

It is an arithmetic number, because the mean of its divisors is an integer number (131562445815).

Almost surely, 2^{2544045430525} is an apocalyptic number.

2544045430525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2544045430525 is a deficient number, since it is larger than the sum of its proper divisors (613453269035).

2544045430525 is a wasteful number, since it uses less digits than its factorization.

2544045430525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033 (or 18028 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 43.

The spelling of 2544045430525 in words is "two trillion, five hundred forty-four billion, forty-five million, four hundred thirty thousand, five hundred twenty-five".