63442444 has 48 divisors (see below), whose sum is σ = 126968800. Its totient is φ = 27495936.

The previous prime is 63442397. The next prime is 63442447. The reversal of 63442444 is 44424436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63442447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154912 + ... + 155320.

Almost surely, 2^63442444 is an apocalyptic number.

It is an amenable number.

63442444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

63442444 is a wasteful number, since it uses less digits than its factorization.

63442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 63442444 is about 7965.0765219174. The cubic root of 63442444 is about 398.8350354377.

The spelling of 63442444 in words is "sixty-three million, four hundred forty-two thousand, four hundred forty-four".