266925980 has 12 divisors (see below), whose sum is σ = 560544600. Its totient is φ = 106770384.

The previous prime is 266925979. The next prime is 266926007. The reversal of 266925980 is 89529662.

It is a happy number.

266925980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 6673130 + ... + 6673169.

It is an arithmetic number, because the mean of its divisors is an integer number (46712050).

Almost surely, 2^266925980 is an apocalyptic number.

266925980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266925980 is an abundant number, since it is smaller than the sum of its proper divisors (293618620).

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

266925980 is a wasteful number, since it uses less digits than its factorization.

266925980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346308 (or 13346306 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 266925980 is about 16337.8695061504. The cubic root of 266925980 is about 643.8681590379.

The spelling of 266925980 in words is "two hundred sixty-six million, nine hundred twenty-five thousand, nine hundred eighty".