264866026 has 16 divisors (see below), whose sum is σ = 404659368. Its totient is φ = 129988800.

The previous prime is 264865987. The next prime is 264866033. The reversal of 264866026 is 620668462.

It can be written as a sum of positive squares in 4 ways, for example, as 190026225 + 74839801 = 13785^2 + 8651^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264866026.

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, 63996 + ... + 68008.

Almost surely, 2^264866026 is an apocalyptic number.

264866026 is a deficient number, since it is larger than the sum of its proper divisors (139793342).

264866026 is a wasteful number, since it uses less digits than its factorization.

264866026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 264866026 is about 16274.7050971746. The cubic root of 264866026 is about 642.2075670616.

The spelling of 264866026 in words is "two hundred sixty-four million, eight hundred sixty-six thousand, twenty-six".