266928120 has 48 divisors (see below), whose sum is σ = 867517560. Its totient is φ = 71180736.

The previous prime is 266928119. The next prime is 266928157. The reversal of 266928120 is 21829662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370374 + ... + 371093.

Almost surely, 2^266928120 is an apocalyptic number.

266928120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266928120 is an abundant number, since it is smaller than the sum of its proper divisors (600589440).

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

266928120 is a wasteful number, since it uses less digits than its factorization.

266928120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741484 (or 741477 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 266928120 is about 16337.9349980345. The cubic root of 266928120 is about 643.8698797074.

The spelling of 266928120 in words is "two hundred sixty-six million, nine hundred twenty-eight thousand, one hundred twenty".