26280667280560 has 480 divisors, whose sum is σ = 79597571429376. Its totient is φ = 7892532172800.

The previous prime is 26280667280503. The next prime is 26280667280587. The reversal of 26280667280560 is 6508276608262.

It is a super-2 number, since 2×26280667280560² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26280667280495 and 26280667280504.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 258182475 + ... + 258284245.

Almost surely, 2^{26280667280560} is an apocalyptic number.

26280667280560 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 26280667280560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39798785714688).

26280667280560 is an abundant number, since it is smaller than the sum of its proper divisors (53316904148816).

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

26280667280560 is a wasteful number, since it uses less digits than its factorization.

26280667280560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101953 (or 101936 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 26280667280560 in words is "twenty-six trillion, two hundred eighty billion, six hundred sixty-seven million, two hundred eighty thousand, five hundred sixty".