26061260163540 has 384 divisors, whose sum is σ = 87388842885120. Its totient is φ = 5673895180800.

The previous prime is 26061260163511. The next prime is 26061260163577. The reversal of 26061260163540 is 4536106216062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 26061260163492 and 26061260163501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2271920005 + ... + 2271931475.

It is an arithmetic number, because the mean of its divisors is an integer number (227575111680).

Almost surely, 2^{26061260163540} is an apocalyptic number.

26061260163540 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 26061260163540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43694421442560).

26061260163540 is an abundant number, since it is smaller than the sum of its proper divisors (61327582721580).

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

26061260163540 is a wasteful number, since it uses less digits than its factorization.

26061260163540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12483 (or 12481 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 26061260163540 in words is "twenty-six trillion, sixty-one billion, two hundred sixty million, one hundred sixty-three thousand, five hundred forty".