5124045400 has 96 divisors (see below), whose sum is σ = 12562142400. Its totient is φ = 1938384000.

The previous prime is 5124045391. The next prime is 5124045401. The reversal of 5124045400 is 45404215.

It is a happy number.

It is a super-2 number, since 2×5124045400² = 52511682522522320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5124045401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3993159 + ... + 3994441.

It is an arithmetic number, because the mean of its divisors is an integer number (130855650).

Almost surely, 2^5124045400 is an apocalyptic number.

5124045400 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 5124045400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6281071200).

5124045400 is an abundant number, since it is smaller than the sum of its proper divisors (7438097000).

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

5124045400 is a wasteful number, since it uses less digits than its factorization.

5124045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5124045400 is about 71582.4377902848. The cubic root of 5124045400 is about 1724.0015674248.

Adding to 5124045400 its reverse (45404215), we get a palindrome (5169449615).

The spelling of 5124045400 in words is "five billion, one hundred twenty-four million, forty-five thousand, four hundred".