260276536556540 has 96 divisors (see below), whose sum is σ = 635135765459328. Its totient is φ = 87742726272000.

The previous prime is 260276536556527. The next prime is 260276536556549. The reversal of 260276536556540 is 45655635672062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260276536556549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17848610 + ... + 28967670.

It is an arithmetic number, because the mean of its divisors is an integer number (6615997556868).

Almost surely, 2^{260276536556540} is an apocalyptic number.

260276536556540 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 260276536556540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317567882729664).

260276536556540 is an abundant number, since it is smaller than the sum of its proper divisors (374859228902788).

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

260276536556540 is a wasteful number, since it uses less digits than its factorization.

260276536556540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121879 (or 11121877 counting only the distinct ones).

The product of its (nonzero) digits is 272160000, while the sum is 62.

The spelling of 260276536556540 in words is "two hundred sixty trillion, two hundred seventy-six billion, five hundred thirty-six million, five hundred fifty-six thousand, five hundred forty".