26408648004 has 12 divisors (see below), whose sum is σ = 61620178704. Its totient is φ = 8802882664.

The previous prime is 26408647999. The next prime is 26408648027. The reversal of 26408648004 is 40084680462.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1100360322 + ... + 1100360345.

It is an arithmetic number, because the mean of its divisors is an integer number (5135014892).

Almost surely, 2^26408648004 is an apocalyptic number.

It is an amenable number.

26408648004 is an abundant number, since it is smaller than the sum of its proper divisors (35211530700).

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

26408648004 is a wasteful number, since it uses less digits than its factorization.

26408648004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200720674 (or 2200720672 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 26408648004 in words is "twenty-six billion, four hundred eight million, six hundred forty-eight thousand, four".