5305530240 has 128 divisors (see below), whose sum is σ = 18790480800. Its totient is φ = 1414803456.

The previous prime is 5305530173. The next prime is 5305530253. The reversal of 5305530240 is 420355035.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×5305530240² = 56297302255108915200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136237 + ... + 170796.

Almost surely, 2^5305530240 is an apocalyptic number.

It is an amenable number.

5305530240 is an abundant number, since it is smaller than the sum of its proper divisors (13484950560).

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

5305530240 is a wasteful number, since it uses less digits than its factorization.

5305530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307061 (or 307043 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 5305530240 is about 72839.0708342714. The cubic root of 5305530240 is about 1744.1196085518.

Adding to 5305530240 its reverse (420355035), we get a palindrome (5725885275).

The spelling of 5305530240 in words is "five billion, three hundred five million, five hundred thirty thousand, two hundred forty".