266352268800 has 240 divisors, whose sum is σ = 901343841552. Its totient is φ = 69294489600.

The previous prime is 266352268781. The next prime is 266352268879. The reversal of 266352268800 is 8862253662.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 266352268800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489812 + ... + 1658988.

Almost surely, 2^266352268800 is an apocalyptic number.

266352268800 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 266352268800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450671920776).

266352268800 is an abundant number, since it is smaller than the sum of its proper divisors (634991572752).

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

266352268800 is a wasteful number, since it uses less digits than its factorization.

266352268800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169249 (or 169228 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 266352268800 in words is "two hundred sixty-six billion, three hundred fifty-two million, two hundred sixty-eight thousand, eight hundred".