1264264288 has 36 divisors (see below), whose sum is σ = 2895394572. Its totient is φ = 541826880.

The previous prime is 1264264283. The next prime is 1264264303. The reversal of 1264264288 is 8824624621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264264283) by changing a digit.

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, 401578 + ... + 404713.

It is an arithmetic number, because the mean of its divisors is an integer number (80427627).

Almost surely, 2^1264264288 is an apocalyptic number.

It is an amenable number.

1264264288 is an abundant number, since it is smaller than the sum of its proper divisors (1631130284).

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

1264264288 is an equidigital number, since it uses as much as digits as its factorization.

1264264288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806315 (or 806300 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 1264264288 is about 35556.4943153849. The cubic root of 1264264288 is about 1081.2993871079.

The spelling of 1264264288 in words is "one billion, two hundred sixty-four million, two hundred sixty-four thousand, two hundred eighty-eight".