264521530430 has 32 divisors (see below), whose sum is σ = 484849363680. Its totient is φ = 103877665920.

The previous prime is 264521530411. The next prime is 264521530433. The reversal of 264521530430 is 34035125462.

It is a super-2 number, since 2×264521530430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264521530433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150500 + ... + 742760.

It is an arithmetic number, because the mean of its divisors is an integer number (15151542615).

Almost surely, 2^264521530430 is an apocalyptic number.

264521530430 is a deficient number, since it is larger than the sum of its proper divisors (220327833250).

264521530430 is a wasteful number, since it uses less digits than its factorization.

264521530430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593084.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 264521530430 its reverse (34035125462), we get a palindrome (298556655892).

The spelling of 264521530430 in words is "two hundred sixty-four billion, five hundred twenty-one million, five hundred thirty thousand, four hundred thirty".