260117927280 has 480 divisors, whose sum is σ = 917087588352. Its totient is φ = 65995776000.

The previous prime is 260117927269. The next prime is 260117927281. The reversal of 260117927280 is 82729711062.

It is a happy number.

260117927280 is a `hidden beast` number, since 2 + 601 + 17 + 9 + 2 + 7 + 28 + 0 = 666.

It is a super-2 number, since 2×260117927280² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260117927281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 380845819 + ... + 380846501.

Almost surely, 2^260117927280 is an apocalyptic number.

260117927280 is a gapful number since it is divisible by the number (20) 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 260117927280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458543794176).

260117927280 is an abundant number, since it is smaller than the sum of its proper divisors (656969661072).

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

260117927280 is a wasteful number, since it uses less digits than its factorization.

260117927280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 260117927280 in words is "two hundred sixty billion, one hundred seventeen million, nine hundred twenty-seven thousand, two hundred eighty".