5321500720 has 40 divisors (see below), whose sum is σ = 12401143776. Its totient is φ = 2123670528.

The previous prime is 5321500699. The next prime is 5321500729. The reversal of 5321500720 is 270051235.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5321500729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42172 + ... + 111451.

Almost surely, 2^5321500720 is an apocalyptic number.

It is an amenable number.

5321500720 is an abundant number, since it is smaller than the sum of its proper divisors (7079643056).

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

5321500720 is a wasteful number, since it uses less digits than its factorization.

5321500720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154069 (or 154063 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 5321500720 is about 72948.6169848339. The cubic root of 5321500720 is about 1745.8678802593.

Adding to 5321500720 its reverse (270051235), we get a palindrome (5591551955).

The spelling of 5321500720 in words is "five billion, three hundred twenty-one million, five hundred thousand, seven hundred twenty".