26065005864 has 32 divisors (see below), whose sum is σ = 65166853920. Its totient is φ = 8687756736.

The previous prime is 26065005859. The next prime is 26065005877. The reversal of 26065005864 is 46850056062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485127 + ... + 536169.

It is an arithmetic number, because the mean of its divisors is an integer number (2036464185).

Almost surely, 2^26065005864 is an apocalyptic number.

26065005864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26065005864 is an abundant number, since it is smaller than the sum of its proper divisors (39101848056).

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

26065005864 is a wasteful number, since it uses less digits than its factorization.

26065005864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72329 (or 72325 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 26065005864 in words is "twenty-six billion, sixty-five million, five thousand, eight hundred sixty-four".