266242152 has 32 divisors (see below), whose sum is σ = 726115680. Its totient is φ = 80679360.

The previous prime is 266242147. The next prime is 266242159. The reversal of 266242152 is 251242662.

It is a happy number.

It is a super-2 number, since 2×266242152² = 141769767003182208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266242159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503983 + ... + 504510.

It is an arithmetic number, because the mean of its divisors is an integer number (22691115).

Almost surely, 2^266242152 is an apocalyptic number.

266242152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266242152 is an abundant number, since it is smaller than the sum of its proper divisors (459873528).

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

266242152 is a wasteful number, since it uses less digits than its factorization.

266242152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008513 (or 1008509 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 266242152 is about 16316.9283874141. The cubic root of 266242152 is about 643.3178546632.

The spelling of 266242152 in words is "two hundred sixty-six million, two hundred forty-two thousand, one hundred fifty-two".