26684640048 has 40 divisors (see below), whose sum is σ = 75202168896. Its totient is φ = 8086254400.

The previous prime is 26684640001. The next prime is 26684640077. The reversal of 26684640048 is 84004648662.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 26684639979 and 26684640006.

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, 25269018 + ... + 25270073.

Almost surely, 2^26684640048 is an apocalyptic number.

It is an amenable number.

26684640048 is an abundant number, since it is smaller than the sum of its proper divisors (48517528848).

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

26684640048 is a wasteful number, since it uses less digits than its factorization.

26684640048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50539113 (or 50539107 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 26684640048 in words is "twenty-six billion, six hundred eighty-four million, six hundred forty thousand, forty-eight".