266725360080 has 100 divisors (see below), whose sum is σ = 926376712932. Its totient is φ = 71126760960.

The previous prime is 266725360079. The next prime is 266725360103. The reversal of 266725360080 is 80063527662.

It is a happy number.

266725360080 is a `hidden beast` number, since 266 + 7 + 25 + 360 + 0 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30284352576 + 236441007504 = 174024^2 + 486252^2 .

It is a super-2 number, since 2×266725360080² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20574181 + ... + 20587140.

Almost surely, 2^266725360080 is an apocalyptic number.

266725360080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266725360080 is an abundant number, since it is smaller than the sum of its proper divisors (659651352852).

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

266725360080 is a wasteful number, since it uses less digits than its factorization.

266725360080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41161346 (or 41161331 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 266725360080 in words is "two hundred sixty-six billion, seven hundred twenty-five million, three hundred sixty thousand, eighty".