260328945 has 16 divisors (see below), whose sum is σ = 423587520. Its totient is φ = 136488384.

The previous prime is 260328941. The next prime is 260328947. The reversal of 260328945 is 549823062.

It is a happy number.

It is not a de Polignac number, because 260328945 - 2² = 260328941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260328941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146194 + ... + 147963.

It is an arithmetic number, because the mean of its divisors is an integer number (26474220).

Almost surely, 2^260328945 is an apocalyptic number.

It is an amenable number.

260328945 is a deficient number, since it is larger than the sum of its proper divisors (163258575).

260328945 is a wasteful number, since it uses less digits than its factorization.

260328945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294224.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 260328945 is about 16134.7124238395. The cubic root of 260328945 is about 638.5194822054.

The spelling of 260328945 in words is "two hundred sixty million, three hundred twenty-eight thousand, nine hundred forty-five".