264742370 has 16 divisors (see below), whose sum is σ = 476721720. Its totient is φ = 105855744.

The previous prime is 264742321. The next prime is 264742403. The reversal of 264742370 is 73247462.

It can be written as a sum of positive squares in 4 ways, for example, as 257185369 + 7557001 = 16037^2 + 2749^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264742370.

It is an unprimeable number.

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, 46394 + ... + 51786.

Almost surely, 2^264742370 is an apocalyptic number.

264742370 is a deficient number, since it is larger than the sum of its proper divisors (211979350).

264742370 is a wasteful number, since it uses less digits than its factorization.

264742370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 264742370 is about 16270.9056293742. The cubic root of 264742370 is about 642.1076106401.

The spelling of 264742370 in words is "two hundred sixty-four million, seven hundred forty-two thousand, three hundred seventy".