264312624230520 has 128 divisors (see below), whose sum is σ = 798744606603840. Its totient is φ = 69967236648960.

The previous prime is 264312624230513. The next prime is 264312624230521. The reversal of 264312624230520 is 25032426213462.

It is a super-2 number, since 2×264312624230520² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264312624230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797848434 + ... + 798179646.

Almost surely, 2^{264312624230520} is an apocalyptic number.

264312624230520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264312624230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399372303301920).

264312624230520 is an abundant number, since it is smaller than the sum of its proper divisors (534431982373320).

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

264312624230520 is a wasteful number, since it uses less digits than its factorization.

264312624230520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379905 (or 379901 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 264312624230520 in words is "two hundred sixty-four trillion, three hundred twelve billion, six hundred twenty-four million, two hundred thirty thousand, five hundred twenty".