266045968 has 40 divisors (see below), whose sum is σ = 555250176. Its totient is φ = 123129600.

The previous prime is 266045963. The next prime is 266045981. The reversal of 266045968 is 869540662.

266045968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (266045963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253 + ... + 23068.

Almost surely, 2^266045968 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 266045968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277625088).

266045968 is an abundant number, since it is smaller than the sum of its proper divisors (289204208).

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

266045968 is a wasteful number, since it uses less digits than its factorization.

266045968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383 (or 23377 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 266045968 is about 16310.9156088798. The cubic root of 266045968 is about 643.1598034540.

The spelling of 266045968 in words is "two hundred sixty-six million, forty-five thousand, nine hundred sixty-eight".