266229120 has 64 divisors (see below), whose sum is σ = 848611440. Its totient is φ = 70993920.

The previous prime is 266229109. The next prime is 266229133. The reversal of 266229120 is 21922662.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67411 + ... + 71250.

Almost surely, 2^266229120 is an apocalyptic number.

266229120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266229120 is an abundant number, since it is smaller than the sum of its proper divisors (582382320).

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

266229120 is a wasteful number, since it uses less digits than its factorization.

266229120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138683 (or 138671 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 266229120 is about 16316.5290426610. The cubic root of 266229120 is about 643.3073581346.

The spelling of 266229120 in words is "two hundred sixty-six million, two hundred twenty-nine thousand, one hundred twenty".