26502650140 has 48 divisors (see below), whose sum is σ = 59928271200. Its totient is φ = 9808351232.

The previous prime is 26502650129. The next prime is 26502650249. The reversal of 26502650140 is 4105620562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640525 + ... + 680644.

It is an arithmetic number, because the mean of its divisors is an integer number (1248505650).

Almost surely, 2^26502650140 is an apocalyptic number.

26502650140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26502650140 is an abundant number, since it is smaller than the sum of its proper divisors (33425621060).

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

26502650140 is a wasteful number, since it uses less digits than its factorization.

26502650140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321254 (or 1321252 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 26502650140 in words is "twenty-six billion, five hundred two million, six hundred fifty thousand, one hundred forty".