266342395 has 8 divisors (see below), whose sum is σ = 348666480. Its totient is φ = 193703520.

The previous prime is 266342393. The next prime is 266342411. The reversal of 266342395 is 593243662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266342395 - 2¹ = 266342393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266342393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421240 + ... + 2421349.

It is an arithmetic number, because the mean of its divisors is an integer number (43583310).

Almost surely, 2^266342395 is an apocalyptic number.

266342395 is a deficient number, since it is larger than the sum of its proper divisors (82324085).

266342395 is a wasteful number, since it uses less digits than its factorization.

266342395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842605.

The product of its digits is 233280, while the sum is 40.

The square root of 266342395 is about 16319.9998468137. Note that the first 3 decimals coincide. The cubic root of 266342395 is about 643.3985832023.

The spelling of 266342395 in words is "two hundred sixty-six million, three hundred forty-two thousand, three hundred ninety-five".