260394856704 has 288 divisors, whose sum is σ = 816967831680. Its totient is φ = 81528422400.

The previous prime is 260394856693. The next prime is 260394856741. The reversal of 260394856704 is 407658493062.

260394856704 is a `hidden beast` number, since 2 + 6 + 0 + 39 + 48 + 567 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 67092844 + ... + 67096724.

It is an arithmetic number, because the mean of its divisors is an integer number (2836693860).

Almost surely, 2^260394856704 is an apocalyptic number.

260394856704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260394856704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408483915840).

260394856704 is an abundant number, since it is smaller than the sum of its proper divisors (556572974976).

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

260394856704 is a wasteful number, since it uses less digits than its factorization.

260394856704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 260394856704 in words is "two hundred sixty billion, three hundred ninety-four million, eight hundred fifty-six thousand, seven hundred four".