266772264 has 32 divisors (see below), whose sum is σ = 727561440. Its totient is φ = 80840000.

The previous prime is 266772241. The next prime is 266772271. The reversal of 266772264 is 462277662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504987 + ... + 505514.

It is an arithmetic number, because the mean of its divisors is an integer number (22736295).

Almost surely, 2^266772264 is an apocalyptic number.

266772264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266772264 is an abundant number, since it is smaller than the sum of its proper divisors (460789176).

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

266772264 is a wasteful number, since it uses less digits than its factorization.

266772264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010521 (or 1010517 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 266772264 is about 16333.1645433455. The cubic root of 266772264 is about 643.7445394453.

The spelling of 266772264 in words is "two hundred sixty-six million, seven hundred seventy-two thousand, two hundred sixty-four".