5221044840 has 256 divisors, whose sum is σ = 17888843520. Its totient is φ = 1207664640.

The previous prime is 5221044833. The next prime is 5221044847. The reversal of 5221044840 is 484401225.

It is an interprime number because it is at equal distance from previous prime (5221044833) and next prime (5221044847).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5221044798 and 5221044807.

It is not an unprimeable number, because it can be changed into a prime (5221044847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2587512 + ... + 2589528.

It is an arithmetic number, because the mean of its divisors is an integer number (69878295).

Almost surely, 2^5221044840 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 5221044840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8944421760).

5221044840 is an abundant number, since it is smaller than the sum of its proper divisors (12667798680).

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

5221044840 is a wasteful number, since it uses less digits than its factorization.

5221044840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 5221044840 is about 72256.7978808915. The cubic root of 5221044840 is about 1734.8122268252.

The spelling of 5221044840 in words is "five billion, two hundred twenty-one million, forty-four thousand, eight hundred forty".