266478232 has 16 divisors (see below), whose sum is σ = 515764800. Its totient is φ = 128940960.

The previous prime is 266478221. The next prime is 266478239. The reversal of 266478232 is 232874662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266478239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537007 + ... + 537502.

It is an arithmetic number, because the mean of its divisors is an integer number (32235300).

Almost surely, 2^266478232 is an apocalyptic number.

It is an amenable number.

266478232 is a deficient number, since it is larger than the sum of its proper divisors (249286568).

266478232 is a wasteful number, since it uses less digits than its factorization.

266478232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074546 (or 1074542 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 266478232 is about 16324.1609891596. The cubic root of 266478232 is about 643.5079442871.

The spelling of 266478232 in words is "two hundred sixty-six million, four hundred seventy-eight thousand, two hundred thirty-two".