5220421344 has 72 divisors (see below), whose sum is σ = 14853685392. Its totient is φ = 1739189760.

The previous prime is 5220421301. The next prime is 5220421373. The reversal of 5220421344 is 4431240225.

5220421344 is a `hidden beast` number, since 522 + 0 + 4 + 2 + 134 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694084 + ... + 701564.

It is an arithmetic number, because the mean of its divisors is an integer number (206301186).

Almost surely, 2^5220421344 is an apocalyptic number.

It is an amenable number.

5220421344 is an abundant number, since it is smaller than the sum of its proper divisors (9633264048).

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

5220421344 is a wasteful number, since it uses less digits than its factorization.

5220421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920 (or 9909 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 5220421344 is about 72252.4833068041. The cubic root of 5220421344 is about 1734.7431671142.

Adding to 5220421344 its reverse (4431240225), we get a palindrome (9651661569).

The spelling of 5220421344 in words is "five billion, two hundred twenty million, four hundred twenty-one thousand, three hundred forty-four".