264133280 has 48 divisors (see below), whose sum is σ = 625038120. Its totient is φ = 105480192.

The previous prime is 264133273. The next prime is 264133313. The reversal of 264133280 is 82331462.

It can be written as a sum of positive squares in 4 ways, for example, as 132618256 + 131515024 = 11516^2 + 11468^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147752 + ... + 149528.

Almost surely, 2^264133280 is an apocalyptic number.

264133280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264133280 is an abundant number, since it is smaller than the sum of its proper divisors (360904840).

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

264133280 is a wasteful number, since it uses less digits than its factorization.

264133280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 264133280 is about 16252.1777002345. The cubic root of 264133280 is about 641.6148024271.

The spelling of 264133280 in words is "two hundred sixty-four million, one hundred thirty-three thousand, two hundred eighty".