266436852 has 96 divisors (see below), whose sum is σ = 737735040. Its totient is φ = 73912320.

The previous prime is 266436851. The next prime is 266436857. The reversal of 266436852 is 258634662.

It is a happy number.

266436852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266436852² = 141977192207339808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266436851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81424 + ... + 84632.

It is an arithmetic number, because the mean of its divisors is an integer number (7684740).

Almost surely, 2^266436852 is an apocalyptic number.

266436852 is a gapful number since it is divisible by the number (22) 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 266436852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368867520).

266436852 is an abundant number, since it is smaller than the sum of its proper divisors (471298188).

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

266436852 is a wasteful number, since it uses less digits than its factorization.

266436852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3279 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 266436852 is about 16322.8934934956. The cubic root of 266436852 is about 643.4746335773.

The spelling of 266436852 in words is "two hundred sixty-six million, four hundred thirty-six thousand, eight hundred fifty-two".