266472898560 has 1080 divisors, whose sum is σ = 1060565556960. Its totient is φ = 61766369280.

The previous prime is 266472898537. The next prime is 266472898561. The reversal of 266472898560 is 65898274662.

266472898560 is a `hidden beast` number, since 2 + 6 + 6 + 47 + 28 + 9 + 8 + 560 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266472898561) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2587115469 + ... + 2587115571.

Almost surely, 2^266472898560 is an apocalyptic number.

266472898560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266472898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530282778480).

266472898560 is an abundant number, since it is smaller than the sum of its proper divisors (794092658400).

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

266472898560 is a wasteful number, since it uses less digits than its factorization.

266472898560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 266472898560 in words is "two hundred sixty-six billion, four hundred seventy-two million, eight hundred ninety-eight thousand, five hundred sixty".