26270013140 has 96 divisors (see below), whose sum is σ = 64753516800. Its totient is φ = 8766259200.

The previous prime is 26270013131. The next prime is 26270013191. The reversal of 26270013140 is 4131007262.

It is a super-2 number, since 2×26270013140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818516 + ... + 850004.

It is an arithmetic number, because the mean of its divisors is an integer number (674515800).

Almost surely, 2^26270013140 is an apocalyptic number.

26270013140 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 26270013140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32376758400).

26270013140 is an abundant number, since it is smaller than the sum of its proper divisors (38483503660).

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

26270013140 is a wasteful number, since it uses less digits than its factorization.

26270013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31665 (or 31663 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 26270013140 in words is "twenty-six billion, two hundred seventy million, thirteen thousand, one hundred forty".