264023430 has 128 divisors (see below), whose sum is σ = 770757120. Its totient is φ = 57047040.

The previous prime is 264023429. The next prime is 264023443. The reversal of 264023430 is 34320462.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264023430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105352 + ... + 107828.

It is an arithmetic number, because the mean of its divisors is an integer number (6021540).

Almost surely, 2^264023430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264023430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385378560).

264023430 is an abundant number, since it is smaller than the sum of its proper divisors (506733690).

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

264023430 is a wasteful number, since it uses less digits than its factorization.

264023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 264023430 is about 16248.7978016837. The cubic root of 264023430 is about 641.5258433492.

Adding to 264023430 its reverse (34320462), we get a palindrome (298343892).

The spelling of 264023430 in words is "two hundred sixty-four million, twenty-three thousand, four hundred thirty".