26419477668 has 24 divisors (see below), whose sum is σ = 61885320672. Its totient is φ = 8772225024.

The previous prime is 26419477639. The next prime is 26419477681. The reversal of 26419477668 is 86677491462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280230 + ... + 4286397.

It is an arithmetic number, because the mean of its divisors is an integer number (2578555028).

Almost surely, 2^26419477668 is an apocalyptic number.

It is an amenable number.

26419477668 is an abundant number, since it is smaller than the sum of its proper divisors (35465843004).

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

26419477668 is a wasteful number, since it uses less digits than its factorization.

26419477668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566891 (or 8566889 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 26419477668 in words is "twenty-six billion, four hundred nineteen million, four hundred seventy-seven thousand, six hundred sixty-eight".