442426016 has 12 divisors (see below), whose sum is σ = 871026282. Its totient is φ = 221212992.

The previous prime is 442425959. The next prime is 442426027. The reversal of 442426016 is 610624244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 415344400 + 27081616 = 20380^2 + 5204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442426016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6912875 + ... + 6912938.

Almost surely, 2^442426016 is an apocalyptic number.

It is an amenable number.

442426016 is a deficient number, since it is larger than the sum of its proper divisors (428600266).

442426016 is a wasteful number, since it uses less digits than its factorization.

442426016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825823 (or 13825815 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 442426016 is about 21033.9253588102. The cubic root of 442426016 is about 761.9858131890.

The spelling of 442426016 in words is "four hundred forty-two million, four hundred twenty-six thousand, sixteen".