442404031012 has 6 divisors (see below), whose sum is σ = 774207054278. Its totient is φ = 221202015504.

The previous prime is 442404030973. The next prime is 442404031021. The reversal of 442404031012 is 210130404244.

It can be written as a sum of positive squares in only one way, i.e., 431890809856 + 10513221156 = 657184^2 + 102534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55300503873 + ... + 55300503880.

Almost surely, 2^442404031012 is an apocalyptic number.

It is an amenable number.

442404031012 is a deficient number, since it is larger than the sum of its proper divisors (331803023266).

442404031012 is a wasteful number, since it uses less digits than its factorization.

442404031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110601007757 (or 110601007755 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 442404031012 its reverse (210130404244), we get a palindrome (652534435256).

The spelling of 442404031012 in words is "four hundred forty-two billion, four hundred four million, thirty-one thousand, twelve".