266466444 has 12 divisors (see below), whose sum is σ = 621755064. Its totient is φ = 88822144.

The previous prime is 266466443. The next prime is 266466451. The reversal of 266466444 is 444664662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 266466396 and 266466405.

It is not an unprimeable number, because it can be changed into a prime (266466443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11102757 + ... + 11102780.

It is an arithmetic number, because the mean of its divisors is an integer number (51812922).

Almost surely, 2^266466444 is an apocalyptic number.

It is an amenable number.

266466444 is an abundant number, since it is smaller than the sum of its proper divisors (355288620).

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

266466444 is a wasteful number, since it uses less digits than its factorization.

266466444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22205544 (or 22205542 counting only the distinct ones).

The product of its digits is 663552, while the sum is 42.

The square root of 266466444 is about 16323.7999252625. The cubic root of 266466444 is about 643.4984553526.

The spelling of 266466444 in words is "two hundred sixty-six million, four hundred sixty-six thousand, four hundred forty-four".