2547240503240 has 16 divisors (see below), whose sum is σ = 5731291132380. Its totient is φ = 1018896201280.

The previous prime is 2547240503239. The next prime is 2547240503287. The reversal of 2547240503240 is 423050427452.

It can be written as a sum of positive squares in 2 ways, for example, as 2177802644644 + 369437858596 = 1475738^2 + 607814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2547240503194 and 2547240503203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31840506251 + ... + 31840506330.

Almost surely, 2^{2547240503240} is an apocalyptic number.

2547240503240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2547240503240 is an abundant number, since it is smaller than the sum of its proper divisors (3184050629140).

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

2547240503240 is a wasteful number, since it uses less digits than its factorization.

2547240503240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63681012592 (or 63681012588 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 38.

The spelling of 2547240503240 in words is "two trillion, five hundred forty-seven billion, two hundred forty million, five hundred three thousand, two hundred forty".