442461044 has 6 divisors (see below), whose sum is σ = 774306834. Its totient is φ = 221230520.

The previous prime is 442461031. The next prime is 442461073. The reversal of 442461044 is 440164244.

It can be written as a sum of positive squares in only one way, i.e., 343657444 + 98803600 = 18538^2 + 9940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442460998 and 442461016.

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, 55307627 + ... + 55307634.

It is an arithmetic number, because the mean of its divisors is an integer number (129051139).

Almost surely, 2^442461044 is an apocalyptic number.

It is an amenable number.

442461044 is a deficient number, since it is larger than the sum of its proper divisors (331845790).

442461044 is a wasteful number, since it uses less digits than its factorization.

442461044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110615265 (or 110615263 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 442461044 is about 21034.7579971817. The cubic root of 442461044 is about 762.0059221140.

The spelling of 442461044 in words is "four hundred forty-two million, four hundred sixty-one thousand, forty-four".