264607240 has 16 divisors (see below), whose sum is σ = 595366380. Its totient is φ = 105842880.

The previous prime is 264607229. The next prime is 264607253. The reversal of 264607240 is 42706462.

It can be written as a sum of positive squares in 2 ways, for example, as 262375204 + 2232036 = 16198^2 + 1494^2 .

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 3 ways as a sum of consecutive naturals, for example, 3307551 + ... + 3307630.

Almost surely, 2^264607240 is an apocalyptic number.

264607240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264607240 is an abundant number, since it is smaller than the sum of its proper divisors (330759140).

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

264607240 is a wasteful number, since it uses less digits than its factorization.

264607240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615192 (or 6615188 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 264607240 is about 16266.7525954015. The cubic root of 264607240 is about 641.9983436971.

The spelling of 264607240 in words is "two hundred sixty-four million, six hundred seven thousand, two hundred forty".