5243872340 has 48 divisors (see below), whose sum is σ = 12591667200. Its totient is φ = 1796988672.

The previous prime is 5243872321. The next prime is 5243872357. The reversal of 5243872340 is 432783425.

It is a junction number, because it is equal to n+sod(n) for n = 5243872294 and 5243872303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305096 + ... + 321824.

It is an arithmetic number, because the mean of its divisors is an integer number (262326400).

Almost surely, 2^5243872340 is an apocalyptic number.

It is an amenable number.

5243872340 is an abundant number, since it is smaller than the sum of its proper divisors (7347794860).

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

5243872340 is a wasteful number, since it uses less digits than its factorization.

5243872340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984 (or 18982 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 5243872340 is about 72414.5865140443. The cubic root of 5243872340 is about 1737.3368715955.

The spelling of 5243872340 in words is "five billion, two hundred forty-three million, eight hundred seventy-two thousand, three hundred forty".