260064366480 has 60 divisors (see below), whose sum is σ = 873382833180. Its totient is φ = 69350497536.

The previous prime is 260064366479. The next prime is 260064366511. The reversal of 260064366480 is 84663460062.

260064366480 is a `hidden beast` number, since 2 + 600 + 6 + 4 + 36 + 6 + 4 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26983975824 + 233080390656 = 164268^2 + 482784^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180599535 + ... + 180600974.

It is an arithmetic number, because the mean of its divisors is an integer number (14556380553).

Almost surely, 2^260064366480 is an apocalyptic number.

260064366480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260064366480 is an abundant number, since it is smaller than the sum of its proper divisors (613318466700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260064366480 is a wasteful number, since it uses less digits than its factorization.

260064366480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361200528 (or 361200519 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 260064366480 in words is "two hundred sixty billion, sixty-four million, three hundred sixty-six thousand, four hundred eighty".