26185365642340 has 48 divisors (see below), whose sum is σ = 58317992409600. Its totient is φ = 9842094208512.

The previous prime is 26185365642251. The next prime is 26185365642347. The reversal of 26185365642340 is 4324656358162.

It is not an unprimeable number, because it can be changed into a prime (26185365642347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61999380 + ... + 62420299.

It is an arithmetic number, because the mean of its divisors is an integer number (1214958175200).

Almost surely, 2^{26185365642340} is an apocalyptic number.

26185365642340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26185365642340 is an abundant number, since it is smaller than the sum of its proper divisors (32132626767260).

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

26185365642340 is a wasteful number, since it uses less digits than its factorization.

26185365642340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124420324 (or 124420322 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 26185365642340 in words is "twenty-six trillion, one hundred eighty-five billion, three hundred sixty-five million, six hundred forty-two thousand, three hundred forty".