260445885 has 32 divisors (see below), whose sum is σ = 480018432. Its totient is φ = 118117440.

The previous prime is 260445851. The next prime is 260445907. The reversal of 260445885 is 588544062.

It is not a de Polignac number, because 260445885 - 2⁹ = 260445373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3570 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (15000576).

Almost surely, 2^260445885 is an apocalyptic number.

It is an amenable number.

260445885 is a deficient number, since it is larger than the sum of its proper divisors (219572547).

260445885 is a wasteful number, since it uses less digits than its factorization.

260445885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19673.

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 260445885 is about 16138.3358807530. The cubic root of 260445885 is about 638.6150757382.

The spelling of 260445885 in words is "two hundred sixty million, four hundred forty-five thousand, eight hundred eighty-five".