266453442 has 32 divisors (see below), whose sum is σ = 592824960. Its totient is φ = 88711920.

The previous prime is 266453437. The next prime is 266453449. The reversal of 266453442 is 244354662.

266453442 is a `hidden beast` number, since 2 + 6 + 645 + 3 + 4 + 4 + 2 = 666.

266453442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 266453397 and 266453406.

It is not an unprimeable number, because it can be changed into a prime (266453449) 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, 52267 + ... + 57137.

It is an arithmetic number, because the mean of its divisors is an integer number (18525780).

Almost surely, 2^266453442 is an apocalyptic number.

266453442 is an abundant number, since it is smaller than the sum of its proper divisors (326371518).

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

266453442 is a wasteful number, since it uses less digits than its factorization.

266453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895 (or 5889 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 266453442 is about 16323.4016675447. The cubic root of 266453442 is about 643.4879888652.

The spelling of 266453442 in words is "two hundred sixty-six million, four hundred fifty-three thousand, four hundred forty-two".