264005430 has 32 divisors (see below), whose sum is σ = 682353504. Its totient is φ = 64985856.

The previous prime is 264005429. The next prime is 264005459. The reversal of 264005430 is 34500462.

It is a self number, because there is not a number n which added to its sum of digits gives 264005430.

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, 338079 + ... + 338858.

It is an arithmetic number, because the mean of its divisors is an integer number (21323547).

Almost surely, 2^264005430 is an apocalyptic number.

264005430 is an abundant number, since it is smaller than the sum of its proper divisors (418348074).

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

264005430 is a wasteful number, since it uses less digits than its factorization.

264005430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676960.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 264005430 is about 16248.2439051117. The cubic root of 264005430 is about 641.5112641790.

Adding to 264005430 its reverse (34500462), we get a palindrome (298505892).

The spelling of 264005430 in words is "two hundred sixty-four million, five thousand, four hundred thirty".