266760960 has 144 divisors (see below), whose sum is σ = 860246016. Its totient is φ = 70447104.

The previous prime is 266760911. The next prime is 266760973. The reversal of 266760960 is 69067662.

266760960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266760960² = 142322819560243200, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487407 + ... + 487953.

Almost surely, 2^266760960 is an apocalyptic number.

266760960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266760960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430123008).

266760960 is an abundant number, since it is smaller than the sum of its proper divisors (593485056).

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

266760960 is a wasteful number, since it uses less digits than its factorization.

266760960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 266760960 is about 16332.8184952873. The cubic root of 266760960 is about 643.7354468071.

The spelling of 266760960 in words is "two hundred sixty-six million, seven hundred sixty thousand, nine hundred sixty".