266504545460 has 12 divisors (see below), whose sum is σ = 559659545508. Its totient is φ = 106601818176.

The previous prime is 266504545459. The next prime is 266504545471. The reversal of 266504545460 is 64545405662.

It can be written as a sum of positive squares in 2 ways, for example, as 198891024784 + 67613520676 = 445972^2 + 260026^2 .

It is a super-2 number, since 2×266504545460² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6662613617 + ... + 6662613656.

It is an arithmetic number, because the mean of its divisors is an integer number (46638295459).

Almost surely, 2^266504545460 is an apocalyptic number.

266504545460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266504545460 is an abundant number, since it is smaller than the sum of its proper divisors (293155000048).

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

266504545460 is a wasteful number, since it uses less digits than its factorization.

266504545460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325227282 (or 13325227280 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 266504545460 in words is "two hundred sixty-six billion, five hundred four million, five hundred forty-five thousand, four hundred sixty".