5321540740 has 12 divisors (see below), whose sum is σ = 11175235596. Its totient is φ = 2128616288.

The previous prime is 5321540717. The next prime is 5321540747. The reversal of 5321540740 is 470451235.

It can be written as a sum of positive squares in 2 ways, for example, as 885181504 + 4436359236 = 29752^2 + 66606^2 .

It is not an unprimeable number, because it can be changed into a prime (5321540747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133038499 + ... + 133038538.

It is an arithmetic number, because the mean of its divisors is an integer number (931269633).

Almost surely, 2^5321540740 is an apocalyptic number.

It is an amenable number.

5321540740 is an abundant number, since it is smaller than the sum of its proper divisors (5853694856).

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

5321540740 is a wasteful number, since it uses less digits than its factorization.

5321540740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266077046 (or 266077044 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5321540740 is about 72948.8912869826. The cubic root of 5321540740 is about 1745.8722568103.

Adding to 5321540740 its reverse (470451235), we get a palindrome (5791991975).

The spelling of 5321540740 in words is "five billion, three hundred twenty-one million, five hundred forty thousand, seven hundred forty".