2549540544 has 56 divisors (see below), whose sum is σ = 6752386800. Its totient is φ = 848999424.

The previous prime is 2549540527. The next prime is 2549540551. The reversal of 2549540544 is 4450459452.

It is a junction number, because it is equal to n+sod(n) for n = 2549540496 and 2549540505.

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, 203782 + ... + 215930.

Almost surely, 2^2549540544 is an apocalyptic number.

2549540544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2549540544 is an abundant number, since it is smaller than the sum of its proper divisors (4202846256).

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

2549540544 is a wasteful number, since it uses less digits than its factorization.

2549540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257 (or 13247 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The square root of 2549540544 is about 50492.9751945753. The cubic root of 2549540544 is about 1366.1151498501.

Adding to 2549540544 its reverse (4450459452), we get a palindrome (6999999996).

The spelling of 2549540544 in words is "two billion, five hundred forty-nine million, five hundred forty thousand, five hundred forty-four".