266023476628992 has 480 divisors, whose sum is σ = 820177007240448. Its totient is φ = 82805811314688.

The previous prime is 266023476628961. The next prime is 266023476628997. The reversal of 266023476628992 is 299826674320662.

266023476628992 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 2 + 3 + 476 + 62 + 8 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 266023476628992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266023476628997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10039745088 + ... + 10039771584.

Almost surely, 2^{266023476628992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266023476628992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410088503620224).

266023476628992 is an abundant number, since it is smaller than the sum of its proper divisors (554153530611456).

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

266023476628992 is a wasteful number, since it uses less digits than its factorization.

266023476628992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790 (or 28771 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 72.

The spelling of 266023476628992 in words is "two hundred sixty-six trillion, twenty-three billion, four hundred seventy-six million, six hundred twenty-eight thousand, nine hundred ninety-two".