5221120340 has 24 divisors (see below), whose sum is σ = 10966483080. Its totient is φ = 2088042368.

The previous prime is 5221120339. The next prime is 5221120369. The reversal of 5221120340 is 430211225.

It can be written as a sum of positive squares in 4 ways, for example, as 297010756 + 4924109584 = 17234^2 + 70172^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93806 + ... + 138714.

It is an arithmetic number, because the mean of its divisors is an integer number (456936795).

Almost surely, 2^5221120340 is an apocalyptic number.

It is an amenable number.

5221120340 is an abundant number, since it is smaller than the sum of its proper divisors (5745362740).

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

5221120340 is a wasteful number, since it uses less digits than its factorization.

5221120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50731 (or 50729 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5221120340 is about 72257.3203211965. The cubic root of 5221120340 is about 1734.8205889887.

Adding to 5221120340 its reverse (430211225), we get a palindrome (5651331565).

The spelling of 5221120340 in words is "five billion, two hundred twenty-one million, one hundred twenty thousand, three hundred forty".