5243540120 has 64 divisors (see below), whose sum is σ = 14520582720. Its totient is φ = 1659492864.

The previous prime is 5243540089. The next prime is 5243540123. The reversal of 5243540120 is 210453425.

It is a happy number.

It is a super-2 number, since 2×5243540120² = 54989425980099228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 5243540120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243540123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716627 + ... + 723906.

It is an arithmetic number, because the mean of its divisors is an integer number (226884105).

Almost surely, 2^5243540120 is an apocalyptic number.

It is an amenable number.

5243540120 is an abundant number, since it is smaller than the sum of its proper divisors (9277042600).

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

5243540120 is a wasteful number, since it uses less digits than its factorization.

5243540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440564 (or 1440560 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5243540120 is about 72412.2926028447. The cubic root of 5243540120 is about 1737.3001817724.

Adding to 5243540120 its reverse (210453425), we get a palindrome (5453993545).

The spelling of 5243540120 in words is "five billion, two hundred forty-three million, five hundred forty thousand, one hundred twenty".