2544304040 has 32 divisors (see below), whose sum is σ = 5803111080. Its totient is φ = 1003779072.

The previous prime is 2544304039. The next prime is 2544304111. The reversal of 2544304040 is 404034452.

It can be written as a sum of positive squares in 4 ways, for example, as 2319963556 + 224340484 = 48166^2 + 14978^2 .

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, 432749 + ... + 438588.

Almost surely, 2^2544304040 is an apocalyptic number.

2544304040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544304040 is an abundant number, since it is smaller than the sum of its proper divisors (3258807040).

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

2544304040 is a wasteful number, since it uses less digits than its factorization.

2544304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871421 (or 871417 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2544304040 is about 50441.0947541784. The cubic root of 2544304040 is about 1365.1792203416.

Adding to 2544304040 its reverse (404034452), we get a palindrome (2948338492).

The spelling of 2544304040 in words is "two billion, five hundred forty-four million, three hundred four thousand, forty".