266433530 has 48 divisors (see below), whose sum is σ = 544223232. Its totient is φ = 93746400.

The previous prime is 266433529. The next prime is 266433577. The reversal of 266433530 is 35334662.

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 23 ways as a sum of consecutive naturals, for example, 33959 + ... + 41061.

It is an arithmetic number, because the mean of its divisors is an integer number (11337984).

Almost surely, 2^266433530 is an apocalyptic number.

266433530 is an abundant number, since it is smaller than the sum of its proper divisors (277789702).

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

266433530 is a wasteful number, since it uses less digits than its factorization.

266433530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 266433530 is about 16322.7917342592. The cubic root of 266433530 is about 643.4719592330.

The spelling of 266433530 in words is "two hundred sixty-six million, four hundred thirty-three thousand, five hundred thirty".