26442466042646 has 4 divisors (see below), whose sum is σ = 39663699063972. Its totient is φ = 13221233021322.

The previous prime is 26442466042537. The next prime is 26442466042673. The reversal of 26442466042646 is 64624066424462.

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 = 26442466042591 and 26442466042600.

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, 6610616510660 + ... + 6610616510663.

It is an arithmetic number, because the mean of its divisors is an integer number (9915924765993).

Almost surely, 2^{26442466042646} is an apocalyptic number.

26442466042646 is a deficient number, since it is larger than the sum of its proper divisors (13221233021326).

26442466042646 is a wasteful number, since it uses less digits than its factorization.

26442466042646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221233021325.

The product of its (nonzero) digits is 63700992, while the sum is 56.

The spelling of 26442466042646 in words is "twenty-six trillion, four hundred forty-two billion, four hundred sixty-six million, forty-two thousand, six hundred forty-six".