446642444 has 12 divisors (see below), whose sum is σ = 788542104. Its totient is φ = 221344704.

The previous prime is 446642423. The next prime is 446642473. The reversal of 446642444 is 444246644.

It is a junction number, because it is equal to n+sod(n) for n = 446642398 and 446642407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493622 + ... + 494525.

It is an arithmetic number, because the mean of its divisors is an integer number (65711842).

Almost surely, 2^446642444 is an apocalyptic number.

It is an amenable number.

446642444 is a deficient number, since it is larger than the sum of its proper divisors (341899660).

446642444 is a wasteful number, since it uses less digits than its factorization.

446642444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988264 (or 988262 counting only the distinct ones).

The product of its digits is 294912, while the sum is 38.

The square root of 446642444 is about 21133.9169109751. The cubic root of 446642444 is about 764.3988008667.

The spelling of 446642444 in words is "four hundred forty-six million, six hundred forty-two thousand, four hundred forty-four".