26085561442 has 8 divisors (see below), whose sum is σ = 39129313500. Its totient is φ = 13042456944.

The previous prime is 26085561419. The next prime is 26085561473. The reversal of 26085561442 is 24416558062.

It can be written as a sum of positive squares in 2 ways, for example, as 21556406041 + 4529155401 = 146821^2 + 67299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44017 + ... + 232612.

Almost surely, 2^26085561442 is an apocalyptic number.

26085561442 is a deficient number, since it is larger than the sum of its proper divisors (13043752058).

26085561442 is a wasteful number, since it uses less digits than its factorization.

26085561442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323780.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 26085561442 in words is "twenty-six billion, eighty-five million, five hundred sixty-one thousand, four hundred forty-two".