442246642244 has 48 divisors (see below), whose sum is σ = 856224432000. Its totient is φ = 198192403200.

The previous prime is 442246642231. The next prime is 442246642249.

442246642244 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 442246642195 and 442246642204.

It is not an unprimeable number, because it can be changed into a prime (442246642249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204889 + ... + 1528479.

It is an arithmetic number, because the mean of its divisors is an integer number (17838009000).

Almost surely, 2^442246642244 is an apocalyptic number.

442246642244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442246642244 is a deficient number, since it is larger than the sum of its proper divisors (413977789756).

442246642244 is a wasteful number, since it uses less digits than its factorization.

442246642244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324044 (or 324042 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 44.

The spelling of 442246642244 in words is "four hundred forty-two billion, two hundred forty-six million, six hundred forty-two thousand, two hundred forty-four".