264572338 has 4 divisors (see below), whose sum is σ = 396858510. Its totient is φ = 132286168.

The previous prime is 264572333. The next prime is 264572339. The reversal of 264572338 is 833275462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833275462 = 2 ⋅416637731.

It can be written as a sum of positive squares in only one way, i.e., 172738449 + 91833889 = 13143^2 + 9583^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 264572338.

It is not an unprimeable number, because it can be changed into a prime (264572333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66143083 + ... + 66143086.

Almost surely, 2^264572338 is an apocalyptic number.

264572338 is a deficient number, since it is larger than the sum of its proper divisors (132286172).

264572338 is a wasteful number, since it uses less digits than its factorization.

264572338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132286171.

The product of its digits is 241920, while the sum is 40.

The square root of 264572338 is about 16265.6797583132. The cubic root of 264572338 is about 641.9701156821.

The spelling of 264572338 in words is "two hundred sixty-four million, five hundred seventy-two thousand, three hundred thirty-eight".