26444640040246 has 4 divisors (see below), whose sum is σ = 39666960060372. Its totient is φ = 13222320020122.

The previous prime is 26444640040157. The next prime is 26444640040277. The reversal of 26444640040246 is 64204004644462.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26444640040196 and 26444640040205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611160010060 + ... + 6611160010063.

It is an arithmetic number, because the mean of its divisors is an integer number (9916740015093).

Almost surely, 2^{26444640040246} is an apocalyptic number.

26444640040246 is a deficient number, since it is larger than the sum of its proper divisors (13222320020126).

26444640040246 is a wasteful number, since it uses less digits than its factorization.

26444640040246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222320020125.

The product of its (nonzero) digits is 3538944, while the sum is 46.

The spelling of 26444640040246 in words is "twenty-six trillion, four hundred forty-four billion, six hundred forty million, forty thousand, two hundred forty-six".