26648404650 has 240 divisors, whose sum is σ = 84845819520. Its totient is φ = 6074870400.

The previous prime is 26648404603. The next prime is 26648404669. The reversal of 26648404650 is 5640484662.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 26648404596 and 26648404605.

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 119 ways as a sum of consecutive naturals, for example, 13068331 + ... + 13070369.

It is an arithmetic number, because the mean of its divisors is an integer number (353524248).

Almost surely, 2^26648404650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26648404650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42422909760).

26648404650 is an abundant number, since it is smaller than the sum of its proper divisors (58197414870).

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

26648404650 is a wasteful number, since it uses less digits than its factorization.

26648404650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 26648404650 in words is "twenty-six billion, six hundred forty-eight million, four hundred four thousand, six hundred fifty".