42444664626242 has 16 divisors (see below), whose sum is σ = 63729832536000. Its totient is φ = 21201392151120.

The previous prime is 42444664626229. The next prime is 42444664626269. The reversal of 42444664626242 is 24262646644424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15654509 + ... + 18164607.

It is an arithmetic number, because the mean of its divisors is an integer number (3983114533500).

Almost surely, 2^{42444664626242} is an apocalyptic number.

42444664626242 is a deficient number, since it is larger than the sum of its proper divisors (21285167909758).

42444664626242 is a wasteful number, since it uses less digits than its factorization.

42444664626242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518441.

The product of its digits is 84934656, while the sum is 56.

The spelling of 42444664626242 in words is "forty-two trillion, four hundred forty-four billion, six hundred sixty-four million, six hundred twenty-six thousand, two hundred forty-two".