26842941475840 has 264 divisors, whose sum is σ = 76174127842320. Its totient is φ = 9047301193728.

The previous prime is 26842941475829. The next prime is 26842941475841. The reversal of 26842941475840 is 4857414924862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (26842941475841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13895182 + ... + 15708658.

Almost surely, 2^{26842941475840} is an apocalyptic number.

26842941475840 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 26842941475840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38087063921160).

26842941475840 is an abundant number, since it is smaller than the sum of its proper divisors (49331186366480).

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

26842941475840 is a wasteful number, since it uses less digits than its factorization.

26842941475840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813575 (or 1813550 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 64.

The spelling of 26842941475840 in words is "twenty-six trillion, eight hundred forty-two billion, nine hundred forty-one million, four hundred seventy-five thousand, eight hundred forty".