266728048 has 10 divisors (see below), whose sum is σ = 516785624. Its totient is φ = 133364016.

The previous prime is 266728039. The next prime is 266728081. The reversal of 266728048 is 840827662.

It is a super-2 number, since 2×266728048² = 142287703179780608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266727995 and 266728013.

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 as a sum of consecutive naturals, namely, 8335236 + ... + 8335267.

Almost surely, 2^266728048 is an apocalyptic number.

It is an amenable number.

266728048 is a deficient number, since it is larger than the sum of its proper divisors (250057576).

266728048 is a wasteful number, since it uses less digits than its factorization.

266728048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670511 (or 16670505 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 266728048 is about 16331.8109222462. The cubic root of 266728048 is about 643.7089718031.

The spelling of 266728048 in words is "two hundred sixty-six million, seven hundred twenty-eight thousand, forty-eight".