266240356 has 12 divisors (see below), whose sum is σ = 473559100. Its totient is φ = 130937760.

The previous prime is 266240333. The next prime is 266240363. The reversal of 266240356 is 653042662.

It can be written as a sum of positive squares in 2 ways, for example, as 76737600 + 189502756 = 8760^2 + 13766^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545331 + ... + 545818.

Almost surely, 2^266240356 is an apocalyptic number.

It is an amenable number.

266240356 is a deficient number, since it is larger than the sum of its proper divisors (207318744).

266240356 is a wasteful number, since it uses less digits than its factorization.

266240356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091214 (or 1091212 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 266240356 is about 16316.8733524533. The cubic root of 266240356 is about 643.3164081086.

The spelling of 266240356 in words is "two hundred sixty-six million, two hundred forty thousand, three hundred fifty-six".