5122450000 has 120 divisors (see below), whose sum is σ = 12645737496. Its totient is φ = 2009280000.

The previous prime is 5122449977. The next prime is 5122450019. The reversal of 5122450000 is 542215.

It can be written as a sum of positive squares in 12 ways, for example, as 4821358096 + 301091904 = 69436^2 + 17352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5122450000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649034 + ... + 2650966.

Almost surely, 2^5122450000 is an apocalyptic number.

5122450000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5122450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6322868748).

5122450000 is an abundant number, since it is smaller than the sum of its proper divisors (7523287496).

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

5122450000 is an equidigital number, since it uses as much as digits as its factorization.

5122450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5122450000 is about 71571.2931279015. The cubic root of 5122450000 is about 1723.8226230301.

Adding to 5122450000 its reverse (542215), we get a palindrome (5122992215).

The spelling of 5122450000 in words is "five billion, one hundred twenty-two million, four hundred fifty thousand".