266287008 has 96 divisors (see below), whose sum is σ = 785586816. Its totient is φ = 78363648.

The previous prime is 266286983. The next prime is 266287009. The reversal of 266287008 is 800782662.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (266287009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24066 + ... + 33342.

It is an arithmetic number, because the mean of its divisors is an integer number (8183196).

Almost surely, 2^266287008 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 266287008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392793408).

266287008 is an abundant number, since it is smaller than the sum of its proper divisors (519299808).

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

266287008 is a wasteful number, since it uses less digits than its factorization.

266287008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326 (or 9318 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 266287008 is about 16318.3028529317. The cubic root of 266287008 is about 643.3539809804.

The spelling of 266287008 in words is "two hundred sixty-six million, two hundred eighty-seven thousand, eight".