264020402 has 8 divisors (see below), whose sum is σ = 405690012. Its totient is φ = 128790400.

The previous prime is 264020377. The next prime is 264020411. The reversal of 264020402 is 204020462.

264020402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181737361 + 82283041 = 13481^2 + 9071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609799 + ... + 1609962.

Almost surely, 2^264020402 is an apocalyptic number.

264020402 is a deficient number, since it is larger than the sum of its proper divisors (141669610).

264020402 is a wasteful number, since it uses less digits than its factorization.

264020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219804.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 264020402 is about 16248.7046252924. The cubic root of 264020402 is about 641.5233908552.

Adding to 264020402 its reverse (204020462), we get a palindrome (468040864).

The spelling of 264020402 in words is "two hundred sixty-four million, twenty thousand, four hundred two".