26420402441 has 2 divisors, whose sum is σ = 26420402442. Its totient is φ = 26420402440.

The previous prime is 26420402431. The next prime is 26420402467. The reversal of 26420402441 is 14420402462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26302028041 + 118374400 = 162179^2 + 10880^2 .

It is a cyclic number.

It is not a de Polignac number, because 26420402441 - 2⁶ = 26420402377 is a prime.

It is not a weakly prime, because it can be changed into another prime (26420402401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13210201220 + 13210201221.

It is an arithmetic number, because the mean of its divisors is an integer number (13210201221).

Almost surely, 2^26420402441 is an apocalyptic number.

It is an amenable number.

26420402441 is a deficient number, since it is larger than the sum of its proper divisors (1).

26420402441 is an equidigital number, since it uses as much as digits as its factorization.

26420402441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

The spelling of 26420402441 in words is "twenty-six billion, four hundred twenty million, four hundred two thousand, four hundred forty-one".