266006480 has 40 divisors (see below), whose sum is σ = 654848712. Its totient is φ = 100143104.

The previous prime is 266006467. The next prime is 266006491. The reversal of 266006480 is 84600662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112444816 + 153561664 = 10604^2 + 12392^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 96437 + ... + 99156.

Almost surely, 2^266006480 is an apocalyptic number.

266006480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266006480 is an abundant number, since it is smaller than the sum of its proper divisors (388842232).

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

266006480 is a wasteful number, since it uses less digits than its factorization.

266006480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195623 (or 195617 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 266006480 is about 16309.7050862362. The cubic root of 266006480 is about 643.1279814458.

The spelling of 266006480 in words is "two hundred sixty-six million, six thousand, four hundred eighty".