266280045 has 16 divisors (see below), whose sum is σ = 426254400. Its totient is φ = 141947264.

The previous prime is 266280031. The next prime is 266280071. The reversal of 266280045 is 540082662.

It is a cyclic number.

It is not a de Polignac number, because 266280045 - 2⁷ = 266279917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266279988 and 266280015.

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 15 ways as a sum of consecutive naturals, for example, 49162 + ... + 54308.

It is an arithmetic number, because the mean of its divisors is an integer number (26640900).

Almost surely, 2^266280045 is an apocalyptic number.

It is an amenable number.

266280045 is a deficient number, since it is larger than the sum of its proper divisors (159974355).

266280045 is a wasteful number, since it uses less digits than its factorization.

266280045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 266280045 is about 16318.0895021445. The cubic root of 266280045 is about 643.3483733557.

The spelling of 266280045 in words is "two hundred sixty-six million, two hundred eighty thousand, forty-five".