26116251940 has 48 divisors (see below), whose sum is σ = 56639278080. Its totient is φ = 10104877440.

The previous prime is 26116251907. The next prime is 26116252003. The reversal of 26116251940 is 4915261162.

It is a self number, because there is not a number n which added to its sum of digits gives 26116251940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543446 + ... + 1560274.

It is an arithmetic number, because the mean of its divisors is an integer number (1179984960).

Almost surely, 2^26116251940 is an apocalyptic number.

26116251940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26116251940 is an abundant number, since it is smaller than the sum of its proper divisors (30523026140).

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

26116251940 is a wasteful number, since it uses less digits than its factorization.

26116251940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19372 (or 19370 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 26116251940 in words is "twenty-six billion, one hundred sixteen million, two hundred fifty-one thousand, nine hundred forty".