5238857240 has 16 divisors (see below), whose sum is σ = 11787428880. Its totient is φ = 2095542880.

The previous prime is 5238857171. The next prime is 5238857243. The reversal of 5238857240 is 427588325.

It is a super-2 number, since 2×5238857240² = 54891250362200835200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5238857191 and 5238857200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238857243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65485676 + ... + 65485755.

It is an arithmetic number, because the mean of its divisors is an integer number (736714305).

Almost surely, 2^5238857240 is an apocalyptic number.

It is an amenable number.

5238857240 is an abundant number, since it is smaller than the sum of its proper divisors (6548571640).

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

5238857240 is a wasteful number, since it uses less digits than its factorization.

5238857240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130971442 (or 130971438 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 5238857240 is about 72379.9505388060. The cubic root of 5238857240 is about 1736.7828473517.

The spelling of 5238857240 in words is "five billion, two hundred thirty-eight million, eight hundred fifty-seven thousand, two hundred forty".