26026981497660 has 192 divisors, whose sum is σ = 87437647632384. Its totient is φ = 5700299980800.

The previous prime is 26026981497617. The next prime is 26026981497787. The reversal of 26026981497660 is 6679418962062.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 26026981497591 and 26026981497600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31867461 + ... + 32673980.

It is an arithmetic number, because the mean of its divisors is an integer number (455404414752).

Almost surely, 2^{26026981497660} is an apocalyptic number.

26026981497660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26026981497660 is an abundant number, since it is smaller than the sum of its proper divisors (61410666134724).

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

26026981497660 is a wasteful number, since it uses less digits than its factorization.

26026981497660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64541524 (or 64541522 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 26026981497660 in words is "twenty-six trillion, twenty-six billion, nine hundred eighty-one million, four hundred ninety-seven thousand, six hundred sixty".