26589500040 has 64 divisors (see below), whose sum is σ = 81273585600. Its totient is φ = 6956748032.

The previous prime is 26589500039. The next prime is 26589500051. The reversal of 26589500040 is 4000598562.

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, 2084010 + ... + 2096729.

It is an arithmetic number, because the mean of its divisors is an integer number (1269899775).

Almost surely, 2^26589500040 is an apocalyptic number.

26589500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26589500040 is an abundant number, since it is smaller than the sum of its proper divisors (54684085560).

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

26589500040 is a wasteful number, since it uses less digits than its factorization.

26589500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180806 (or 4180802 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 26589500040 in words is "twenty-six billion, five hundred eighty-nine million, five hundred thousand, forty".