266242407 has 16 divisors (see below), whose sum is σ = 359829120. Its totient is φ = 175092192.

The previous prime is 266242393. The next prime is 266242439. The reversal of 266242407 is 704242662.

It is not a de Polignac number, because 266242407 - 2¹⁰ = 266241383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266242007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66013 + ... + 69929.

It is an arithmetic number, because the mean of its divisors is an integer number (22489320).

Almost surely, 2^266242407 is an apocalyptic number.

266242407 is a deficient number, since it is larger than the sum of its proper divisors (93586713).

266242407 is a wasteful number, since it uses less digits than its factorization.

266242407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 266242407 is about 16316.9362013829. The cubic root of 266242407 is about 643.3180600477.

The spelling of 266242407 in words is "two hundred sixty-six million, two hundred forty-two thousand, four hundred seven".