5202520040 has 16 divisors (see below), whose sum is σ = 11705670180. Its totient is φ = 2081008000.

The previous prime is 5202520031. The next prime is 5202520067. The reversal of 5202520040 is 400252025.

It can be written as a sum of positive squares in 2 ways, for example, as 5115396484 + 87123556 = 71522^2 + 9334^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5202519994 and 5202520021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65031461 + ... + 65031540.

Almost surely, 2^5202520040 is an apocalyptic number.

It is an amenable number.

5202520040 is an abundant number, since it is smaller than the sum of its proper divisors (6503150140).

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

5202520040 is a wasteful number, since it uses less digits than its factorization.

5202520040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130063012 (or 130063008 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5202520040 is about 72128.4967263286. The cubic root of 5202520040 is about 1732.7580317911.

Adding to 5202520040 its reverse (400252025), we get a palindrome (5602772065).

The spelling of 5202520040 in words is "five billion, two hundred two million, five hundred twenty thousand, forty".