5115444400 has 90 divisors (see below), whose sum is σ = 13508811596. Its totient is φ = 1860144000.

The previous prime is 5115444377. The next prime is 5115444403. The reversal of 5115444400 is 44445115.

It is not an unprimeable number, because it can be changed into a prime (5115444403) 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 17 ways as a sum of consecutive naturals, for example, 4446 + ... + 101245.

Almost surely, 2^5115444400 is an apocalyptic number.

5115444400 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 5115444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6754405798).

5115444400 is an abundant number, since it is smaller than the sum of its proper divisors (8393367196).

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

5115444400 is a wasteful number, since it uses less digits than its factorization.

5115444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105731 (or 105709 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5115444400 is about 71522.3349730698. The cubic root of 5115444400 is about 1723.0364158248.

Adding to 5115444400 its reverse (44445115), we get a palindrome (5159889515).

It can be divided in two parts, 51 and 15444400, that added together give a palindrome (15444451).

The spelling of 5115444400 in words is "five billion, one hundred fifteen million, four hundred forty-four thousand, four hundred".