266672533280 has 48 divisors (see below), whose sum is σ = 630081648504. Its totient is φ = 106657536000.

The previous prime is 266672533279. The next prime is 266672533321. The reversal of 266672533280 is 82335276662.

It can be written as a sum of positive squares in 4 ways, for example, as 251438062096 + 15234471184 = 501436^2 + 123428^2 .

It is a super-2 number, since 2×266672533280² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488530 + ... + 1658030.

Almost surely, 2^266672533280 is an apocalyptic number.

266672533280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266672533280 is an abundant number, since it is smaller than the sum of its proper divisors (363409115224).

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

266672533280 is a wasteful number, since it uses less digits than its factorization.

266672533280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179349 (or 179341 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 266672533280 in words is "two hundred sixty-six billion, six hundred seventy-two million, five hundred thirty-three thousand, two hundred eighty".