26030617571640 has 192 divisors, whose sum is σ = 85842463150080. Its totient is φ = 6310014304000.

The previous prime is 26030617571633. The next prime is 26030617571701. The reversal of 26030617571640 is 4617571603062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26030617571640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241079665 + ... + 241187615.

It is an arithmetic number, because the mean of its divisors is an integer number (447096162240).

Almost surely, 2^{26030617571640} is an apocalyptic number.

26030617571640 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 26030617571640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42921231575040).

26030617571640 is an abundant number, since it is smaller than the sum of its proper divisors (59811845578440).

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

26030617571640 is a wasteful number, since it uses less digits than its factorization.

26030617571640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124594 (or 124579 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 26030617571640 in words is "twenty-six trillion, thirty billion, six hundred seventeen million, five hundred seventy-one thousand, six hundred forty".