2544280 has 16 divisors (see below), whose sum is σ = 5724720. Its totient is φ = 1017696.

The previous prime is 2544253. The next prime is 2544281. The reversal of 2544280 is 824452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31764 + ... + 31843.

It is an arithmetic number, because the mean of its divisors is an integer number (357795).

2^2544280 is an apocalyptic number.

2544280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544280 is an abundant number, since it is smaller than the sum of its proper divisors (3180440).

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

2544280 is a wasteful number, since it uses less digits than its factorization.

2544280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63618 (or 63614 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2544280 is about 1595.0799353010. The cubic root of 2544280 is about 136.5174920671.

The spelling of 2544280 in words is "two million, five hundred forty-four thousand, two hundred eighty".