530641540 has 48 divisors (see below), whose sum is σ = 1309170240. Its totient is φ = 178116480.

The previous prime is 530641511. The next prime is 530641547. The reversal of 530641540 is 45146035.

It is a junction number, because it is equal to n+sod(n) for n = 530641499 and 530641508.

It is not an unprimeable number, because it can be changed into a prime (530641547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89910 + ... + 95629.

It is an arithmetic number, because the mean of its divisors is an integer number (27274380).

Almost surely, 2^530641540 is an apocalyptic number.

It is an amenable number.

530641540 is an abundant number, since it is smaller than the sum of its proper divisors (778528700).

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

530641540 is a wasteful number, since it uses less digits than its factorization.

530641540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185572 (or 185570 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 530641540 is about 23035.6580110055. The cubic root of 530641540 is about 809.5936284012.

Adding to 530641540 its reverse (45146035), we get a palindrome (575787575).

The spelling of 530641540 in words is "five hundred thirty million, six hundred forty-one thousand, five hundred forty".