5224451328 has 216 divisors, whose sum is σ = 15671102720. Its totient is φ = 1672151040.

The previous prime is 5224451317. The next prime is 5224451329. The reversal of 5224451328 is 8231544225.

It is a super-4 number, since 4×5224451328⁴ (a number of 40 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5224451292 and 5224451301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5224451329) 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, 13784643 + ... + 13785021.

Almost surely, 2^5224451328 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 5224451328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7835551360).

5224451328 is an abundant number, since it is smaller than the sum of its proper divisors (10446651392).

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

5224451328 is a wasteful number, since it uses less digits than its factorization.

5224451328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 608 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 5224451328 is about 72280.3661307827. The cubic root of 5224451328 is about 1735.1894394605.

The spelling of 5224451328 in words is "five billion, two hundred twenty-four million, four hundred fifty-one thousand, three hundred twenty-eight".