5297240840 has 32 divisors (see below), whose sum is σ = 12052719000. Its totient is φ = 2095087104.

The previous prime is 5297240807. The next prime is 5297240867. The reversal of 5297240840 is 480427925.

It can be written as a sum of positive squares in 4 ways, for example, as 1917213796 + 3380027044 = 43786^2 + 58138^2 .

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 7 ways as a sum of consecutive naturals, for example, 740435 + ... + 747554.

Almost surely, 2^5297240840 is an apocalyptic number.

It is an amenable number.

5297240840 is an abundant number, since it is smaller than the sum of its proper divisors (6755478160).

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

5297240840 is a wasteful number, since it uses less digits than its factorization.

5297240840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488089 (or 1488085 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 5297240840 is about 72782.1464371586. The cubic root of 5297240840 is about 1743.2107932477.

The spelling of 5297240840 in words is "five billion, two hundred ninety-seven million, two hundred forty thousand, eight hundred forty".