260481778 has 8 divisors (see below), whose sum is σ = 403326720. Its totient is φ = 126039540.

The previous prime is 260481761. The next prime is 260481779. The reversal of 260481778 is 877184062.

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 (260481779) 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, 2100598 + ... + 2100721.

It is an arithmetic number, because the mean of its divisors is an integer number (50415840).

Almost surely, 2^260481778 is an apocalyptic number.

260481778 is a deficient number, since it is larger than the sum of its proper divisors (142844942).

260481778 is a wasteful number, since it uses less digits than its factorization.

260481778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201352.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 260481778 is about 16139.4478839891. The cubic root of 260481778 is about 638.6444110171.

The spelling of 260481778 in words is "two hundred sixty million, four hundred eighty-one thousand, seven hundred seventy-eight".