5244421648 has 40 divisors (see below), whose sum is σ = 10757793600. Its totient is φ = 2469815424.

The previous prime is 5244421631. The next prime is 5244421657. The reversal of 5244421648 is 8461244425.

It is a super-2 number, since 2×5244421648² = 55007916844022071808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5244421648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 102451.

It is an arithmetic number, because the mean of its divisors is an integer number (268944840).

Almost surely, 2^5244421648 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 5244421648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5378896800).

5244421648 is an abundant number, since it is smaller than the sum of its proper divisors (5513371952).

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

5244421648 is a wasteful number, since it uses less digits than its factorization.

5244421648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99919 (or 99913 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The square root of 5244421648 is about 72418.3792141194. The cubic root of 5244421648 is about 1737.3975328562.

The spelling of 5244421648 in words is "five billion, two hundred forty-four million, four hundred twenty-one thousand, six hundred forty-eight".