5321272320 has 1056 divisors, whose sum is σ = 24034203648. Its totient is φ = 1098842112.

The previous prime is 5321272303. The next prime is 5321272343. The reversal of 5321272320 is 232721235.

It is a happy number.

5321272320 is a `hidden beast` number, since 53 + 21 + 272 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 113218537 + ... + 113218583.

Almost surely, 2^5321272320 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 5321272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12017101824).

5321272320 is an abundant number, since it is smaller than the sum of its proper divisors (18712931328).

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

5321272320 is a wasteful number, since it uses less digits than its factorization.

5321272320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 5321272320 is about 72947.0514825651. The cubic root of 5321272320 is about 1745.8429022221.

Adding to 5321272320 its reverse (232721235), we get a palindrome (5553993555).

The spelling of 5321272320 in words is "five billion, three hundred twenty-one million, two hundred seventy-two thousand, three hundred twenty".