260543126857080 has 64 divisors (see below), whose sum is σ = 788800292359200. Its totient is φ = 68840752780800.

The previous prime is 260543126857031. The next prime is 260543126857199. The reversal of 260543126857080 is 80758621345062.

It is a super-2 number, since 2×260543126857080² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260543126857080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9959586571 + ... + 9959612730.

Almost surely, 2^{260543126857080} is an apocalyptic number.

260543126857080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260543126857080 is an abundant number, since it is smaller than the sum of its proper divisors (528257165502120).

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

260543126857080 is a wasteful number, since it uses less digits than its factorization.

260543126857080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19919199424 (or 19919199420 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 260543126857080 in words is "two hundred sixty trillion, five hundred forty-three billion, one hundred twenty-six million, eight hundred fifty-seven thousand, eighty".