264244406 has 12 divisors (see below), whose sum is σ = 398543292. Its totient is φ = 131400576.

The previous prime is 264244399. The next prime is 264244469. The reversal of 264244406 is 604442462.

It is a super-2 number, since 2×264244406² = 139650212204585672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72725 + ... + 76271.

It is an arithmetic number, because the mean of its divisors is an integer number (33211941).

Almost surely, 2^264244406 is an apocalyptic number.

264244406 is a deficient number, since it is larger than the sum of its proper divisors (134298886).

264244406 is an equidigital number, since it uses as much as digits as its factorization.

264244406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 264244406 is about 16255.5961440976. The cubic root of 264244406 is about 641.7047697469.

Adding to 264244406 its reverse (604442462), we get a palindrome (868686868).

The spelling of 264244406 in words is "two hundred sixty-four million, two hundred forty-four thousand, four hundred six".