5312040520 has 64 divisors (see below), whose sum is σ = 12611116800. Its totient is φ = 2008189440.

The previous prime is 5312040511. The next prime is 5312040523. The reversal of 5312040520 is 250402135.

It is a super-2 number, since 2×5312040520² = 56435548972243740800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5312040491 and 5312040500.

It is not an unprimeable number, because it can be changed into a prime (5312040523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319452 + ... + 335668.

It is an arithmetic number, because the mean of its divisors is an integer number (197048700).

Almost surely, 2^5312040520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5312040520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6305558400).

5312040520 is an abundant number, since it is smaller than the sum of its proper divisors (7299076280).

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

5312040520 is a wasteful number, since it uses less digits than its factorization.

5312040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16678 (or 16674 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5312040520 is about 72883.7466106127. The cubic root of 5312040520 is about 1744.8327050943.

Adding to 5312040520 its reverse (250402135), we get a palindrome (5562442655).

The spelling of 5312040520 in words is "five billion, three hundred twelve million, forty thousand, five hundred twenty".