26200272140 has 96 divisors (see below), whose sum is σ = 65286587520. Its totient is φ = 8641511424.

The previous prime is 26200272083. The next prime is 26200272173. The reversal of 26200272140 is 4127200262.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112972 + ... + 1136268.

It is an arithmetic number, because the mean of its divisors is an integer number (680068620).

Almost surely, 2^26200272140 is an apocalyptic number.

26200272140 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 26200272140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32643293760).

26200272140 is an abundant number, since it is smaller than the sum of its proper divisors (39086315380).

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

26200272140 is a wasteful number, since it uses less digits than its factorization.

26200272140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23619 (or 23617 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 26200272140 in words is "twenty-six billion, two hundred million, two hundred seventy-two thousand, one hundred forty".