26202790656 has 288 divisors, whose sum is σ = 88873774080. Its totient is φ = 7459651584.

The previous prime is 26202790643. The next prime is 26202790667. The reversal of 26202790656 is 65609720262.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16304605 + ... + 16306211.

Almost surely, 2^26202790656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26202790656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44436887040).

26202790656 is an abundant number, since it is smaller than the sum of its proper divisors (62670983424).

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

26202790656 is a wasteful number, since it uses less digits than its factorization.

26202790656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 26202790656 in words is "twenty-six billion, two hundred two million, seven hundred ninety thousand, six hundred fifty-six".