266229080 has 48 divisors (see below), whose sum is σ = 648654480. Its totient is φ = 98297472.

The previous prime is 266229079. The next prime is 266229091. The reversal of 266229080 is 80922662.

It is a self number, because there is not a number n which added to its sum of digits gives 266229080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12932 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (13513635).

Almost surely, 2^266229080 is an apocalyptic number.

266229080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266229080 is an abundant number, since it is smaller than the sum of its proper divisors (382425400).

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

266229080 is a wasteful number, since it uses less digits than its factorization.

266229080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420 (or 39403 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 266229080 is about 16316.5278169101. The cubic root of 266229080 is about 643.3073259164.

It can be divided in two parts, 266 and 229080, that multiplied together give a triangular number (60935280 = T₁₁₀₃₉).

The spelling of 266229080 in words is "two hundred sixty-six million, two hundred twenty-nine thousand, eighty".