442678972 has 6 divisors (see below), whose sum is σ = 774688208. Its totient is φ = 221339484.

The previous prime is 442678961. The next prime is 442678987. The reversal of 442678972 is 279876244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55334868 + ... + 55334875.

Almost surely, 2^442678972 is an apocalyptic number.

It is an amenable number.

442678972 is a deficient number, since it is larger than the sum of its proper divisors (332009236).

442678972 is a wasteful number, since it uses less digits than its factorization.

442678972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110669747 (or 110669745 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 442678972 is about 21039.9375474358. The cubic root of 442678972 is about 762.1310067004.

The spelling of 442678972 in words is "four hundred forty-two million, six hundred seventy-eight thousand, nine hundred seventy-two".