26444642 has 16 divisors (see below), whose sum is σ = 45470592. Its totient is φ = 11299200.

The previous prime is 26444623. The next prime is 26444653. The reversal of 26444642 is 24644462.

It is a junction number, because it is equal to n+sod(n) for n = 26444599 and 26444608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (2841912).

Almost surely, 2^26444642 is an apocalyptic number.

26444642 is a deficient number, since it is larger than the sum of its proper divisors (19025950).

26444642 is a wasteful number, since it uses less digits than its factorization.

26444642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its digits is 36864, while the sum is 32.

The square root of 26444642 is about 5142.4354152483. The cubic root of 26444642 is about 297.9288525854.

The spelling of 26444642 in words is "twenty-six million, four hundred forty-four thousand, six hundred forty-two".