266471040000 has 1320 divisors, whose sum is σ = 1034222742784. Its totient is φ = 60825600000.

The previous prime is 266471039999. The next prime is 266471040007. The reversal of 266471040000 is 40174662.

It is a tau number, because it is divible by the number of its divisors (1320).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 266471040000.

It is not an unprimeable number, because it can be changed into a prime (266471040007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7201919982 + ... + 7201920018.

Almost surely, 2^266471040000 is an apocalyptic number.

266471040000 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 266471040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517111371392).

266471040000 is an abundant number, since it is smaller than the sum of its proper divisors (767751702784).

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

266471040000 is a wasteful number, since it uses less digits than its factorization.

266471040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 266471040000 in words is "two hundred sixty-six billion, four hundred seventy-one million, forty thousand".