266876742 has 16 divisors (see below), whose sum is σ = 582276672. Its totient is φ = 80871720.

The previous prime is 266876719. The next prime is 266876747. The reversal of 266876742 is 247678662.

It is a junction number, because it is equal to n+sod(n) for n = 266876691 and 266876700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266876747) 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, 2021728 + ... + 2021859.

It is an arithmetic number, because the mean of its divisors is an integer number (36392292).

Almost surely, 2^266876742 is an apocalyptic number.

266876742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266876742 is an abundant number, since it is smaller than the sum of its proper divisors (315399930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266876742 is a wasteful number, since it uses less digits than its factorization.

266876742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043603.

The product of its digits is 1354752, while the sum is 48.

The square root of 266876742 is about 16336.3625694339. The cubic root of 266876742 is about 643.8285666261.

The spelling of 266876742 in words is "two hundred sixty-six million, eight hundred seventy-six thousand, seven hundred forty-two".