260328735560 has 32 divisors (see below), whose sum is σ = 590923202040. Its totient is φ = 103209974784.

The previous prime is 260328735551. The next prime is 260328735593. The reversal of 260328735560 is 65537823062.

It can be written as a sum of positive squares in 4 ways, for example, as 88374209284 + 171954526276 = 297278^2 + 414674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28792907 + ... + 28801946.

Almost surely, 2^260328735560 is an apocalyptic number.

260328735560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260328735560 is an abundant number, since it is smaller than the sum of its proper divisors (330594466480).

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

260328735560 is a wasteful number, since it uses less digits than its factorization.

260328735560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57594977 (or 57594973 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 260328735560 in words is "two hundred sixty billion, three hundred twenty-eight million, seven hundred thirty-five thousand, five hundred sixty".