266534430 has 32 divisors (see below), whose sum is σ = 645559200. Its totient is φ = 70422912.

The previous prime is 266534423. The next prime is 266534453. The reversal of 266534430 is 34435662.

It is a junction number, because it is equal to n+sod(n) for n = 266534391 and 266534400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37485 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (20173725).

Almost surely, 2^266534430 is an apocalyptic number.

266534430 is an abundant number, since it is smaller than the sum of its proper divisors (379024770).

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

266534430 is a wasteful number, since it uses less digits than its factorization.

266534430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81628.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 266534430 is about 16325.8822119970. The cubic root of 266534430 is about 643.5531778974.

The spelling of 266534430 in words is "two hundred sixty-six million, five hundred thirty-four thousand, four hundred thirty".