2544225140 has 24 divisors (see below), whose sum is σ = 5433432480. Its totient is φ = 1000440608.

The previous prime is 2544225139. The next prime is 2544225157. The reversal of 2544225140 is 415224452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076882 + ... + 1079241.

It is an arithmetic number, because the mean of its divisors is an integer number (226393020).

Almost surely, 2^2544225140 is an apocalyptic number.

2544225140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544225140 is an abundant number, since it is smaller than the sum of its proper divisors (2889207340).

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

2544225140 is a wasteful number, since it uses less digits than its factorization.

2544225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156191 (or 2156189 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2544225140 is about 50440.3126477226. The cubic root of 2544225140 is about 1365.1651085908.

Adding to 2544225140 its reverse (415224452), we get a palindrome (2959449592).

The spelling of 2544225140 in words is "two billion, five hundred forty-four million, two hundred twenty-five thousand, one hundred forty".