260045489 has 4 divisors (see below), whose sum is σ = 283686000. Its totient is φ = 236404980.

The previous prime is 260045483. The next prime is 260045497. The reversal of 260045489 is 984540062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260045489 - 2¹⁶ = 259979953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260045483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11820239 + ... + 11820260.

It is an arithmetic number, because the mean of its divisors is an integer number (70921500).

Almost surely, 2^260045489 is an apocalyptic number.

It is an amenable number.

260045489 is a deficient number, since it is larger than the sum of its proper divisors (23640511).

260045489 is a wasteful number, since it uses less digits than its factorization.

260045489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23640510.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 260045489 is about 16125.9259889161. The cubic root of 260045489 is about 638.2876499895.

The spelling of 260045489 in words is "two hundred sixty million, forty-five thousand, four hundred eighty-nine".