442546645244 has 12 divisors (see below), whose sum is σ = 844861777368. Its totient is φ = 201157566000.

The previous prime is 442546645199. The next prime is 442546645283.

It is a happy number.

442546645244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442546645192 and 442546645201.

It is a congruent number.

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, 5028939107 + ... + 5028939194.

It is an arithmetic number, because the mean of its divisors is an integer number (70405148114).

Almost surely, 2^442546645244 is an apocalyptic number.

442546645244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442546645244 is a deficient number, since it is larger than the sum of its proper divisors (402315132124).

442546645244 is a wasteful number, since it uses less digits than its factorization.

442546645244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057878316 (or 10057878314 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 50.

The spelling of 442546645244 in words is "four hundred forty-two billion, five hundred forty-six million, six hundred forty-five thousand, two hundred forty-four".