260672890 has 8 divisors (see below), whose sum is σ = 469211220. Its totient is φ = 104269152.

The previous prime is 260672873. The next prime is 260672891. The reversal of 260672890 is 98276062.

It can be written as a sum of positive squares in 2 ways, for example, as 247401441 + 13271449 = 15729^2 + 3643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (260672891) 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, 13033635 + ... + 13033654.

Almost surely, 2^260672890 is an apocalyptic number.

260672890 is a deficient number, since it is larger than the sum of its proper divisors (208538330).

260672890 is a wasteful number, since it uses less digits than its factorization.

260672890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26067296.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 260672890 is about 16145.3674470419. The cubic root of 260672890 is about 638.8005611252.

The spelling of 260672890 in words is "two hundred sixty million, six hundred seventy-two thousand, eight hundred ninety".