266480 has 20 divisors (see below), whose sum is σ = 619752. Its totient is φ = 106560.

The previous prime is 266479. The next prime is 266489. The reversal of 266480 is 84662.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 1745.

2²⁶⁶⁴⁸⁰ is an apocalyptic number.

266480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266480 is an abundant number, since it is smaller than the sum of its proper divisors (353272).

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

266480 is a wasteful number, since it uses less digits than its factorization.

266480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 266480 is about 516.2170086311. The cubic root of 266480 is about 64.3509367442.

It can be divided in two parts, 2664 and 80, that added together give a cube (2744 = 14³).

The spelling of 266480 in words is "two hundred sixty-six thousand, four hundred eighty".