266727715260 has 48 divisors (see below), whose sum is σ = 747228325536. Its totient is φ = 71090179072.

The previous prime is 266727715259. The next prime is 266727715277. The reversal of 266727715260 is 62517727662.

It is a happy number.

It is a super-3 number, since 3×266727715260³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 1047129 + ... + 1276688.

It is an arithmetic number, because the mean of its divisors is an integer number (15567256782).

Almost surely, 2^266727715260 is an apocalyptic number.

266727715260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266727715260 is an abundant number, since it is smaller than the sum of its proper divisors (480500610276).

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

266727715260 is a wasteful number, since it uses less digits than its factorization.

266727715260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325742 (or 2325740 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 266727715260 in words is "two hundred sixty-six billion, seven hundred twenty-seven million, seven hundred fifteen thousand, two hundred sixty".