42444446 has 16 divisors (see below), whose sum is σ = 70132608. Its totient is φ = 19104600.

The previous prime is 42444421. The next prime is 42444473. The reversal of 42444446 is 64444424.

It is a congruent number.

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, 7100 + ... + 11631.

It is an arithmetic number, because the mean of its divisors is an integer number (4383288).

Almost surely, 2^42444446 is an apocalyptic number.

42444446 is a deficient number, since it is larger than the sum of its proper divisors (27688162).

42444446 is a wasteful number, since it uses less digits than its factorization.

42444446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847.

The product of its digits is 49152, while the sum is 32.

The square root of 42444446 is about 6514.9402146144. The cubic root of 42444446 is about 348.8244807801.

The spelling of 42444446 in words is "forty-two million, four hundred forty-four thousand, four hundred forty-six".