264421104 has 40 divisors (see below), whose sum is σ = 698979072. Its totient is φ = 86089920.

The previous prime is 264421093. The next prime is 264421109. The reversal of 264421104 is 401124462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264421109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61992 + ... + 66119.

Almost surely, 2^264421104 is an apocalyptic number.

264421104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

264421104 is an abundant number, since it is smaller than the sum of its proper divisors (434557968).

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

264421104 is a wasteful number, since it uses less digits than its factorization.

264421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128165 (or 128159 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 264421104 is about 16261.0302256653. The cubic root of 264421104 is about 641.8477720613.

Adding to 264421104 its reverse (401124462), we get a palindrome (665545566).

The spelling of 264421104 in words is "two hundred sixty-four million, four hundred twenty-one thousand, one hundred four".