26041609197604 has 243 divisors, whose sum is σ = 63122720648211. Its totient is φ = 9361939466880.

The previous prime is 26041609197599. The next prime is 26041609197647. The reversal of 26041609197604 is 40679190614062.

The square root of 26041609197604 is 5103098.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 352444068900 + 25689165128704 = 593670^2 + 5068448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10216400922 + ... + 10216403470.

Almost surely, 2^{26041609197604} is an apocalyptic number.

26041609197604 is the 5103098-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26041609197604

26041609197604 is an abundant number, since it is smaller than the sum of its proper divisors (37081111450607).

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

26041609197604 is a wasteful number, since it uses less digits than its factorization.

26041609197604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 26041609197604 in words is "twenty-six trillion, forty-one billion, six hundred nine million, one hundred ninety-seven thousand, six hundred four".