264235428 has 36 divisors (see below), whose sum is σ = 668543148. Its totient is φ = 87997440.

The previous prime is 264235427. The next prime is 264235429. The reversal of 264235428 is 824532462.

264235428 is a `hidden beast` number, since 2 + 642 + 3 + 5 + 4 + 2 + 8 = 666.

264235428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (264235427) and next prime (264235429).

It can be written as a sum of positive squares in 2 ways, for example, as 159213924 + 105021504 = 12618^2 + 10248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×264235428² = 139640722820686368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 264235392 and 264235401.

It is not an unprimeable number, because it can be changed into a prime (264235423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46300 + ... + 51692.

It is an arithmetic number, because the mean of its divisors is an integer number (18570643).

Almost surely, 2^264235428 is an apocalyptic number.

It is an amenable number.

264235428 is an abundant number, since it is smaller than the sum of its proper divisors (404307720).

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

264235428 is a wasteful number, since it uses less digits than its factorization.

264235428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764 (or 6759 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 264235428 is about 16255.3199906984. The cubic root of 264235428 is about 641.6975021182.

The spelling of 264235428 in words is "two hundred sixty-four million, two hundred thirty-five thousand, four hundred twenty-eight".