442528825244 has 24 divisors (see below), whose sum is σ = 844921451136. Its totient is φ = 201127158000.

The previous prime is 442528825223. The next prime is 442528825267.

442528825244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×442528825244² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442528825192 and 442528825201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153152 + ... + 953159.

It is an arithmetic number, because the mean of its divisors is an integer number (35205060464).

Almost surely, 2^442528825244 is an apocalyptic number.

442528825244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442528825244 is a deficient number, since it is larger than the sum of its proper divisors (402392625892).

442528825244 is a wasteful number, since it uses less digits than its factorization.

442528825244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115417 (or 1115415 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 50.

The spelling of 442528825244 in words is "four hundred forty-two billion, five hundred twenty-eight million, eight hundred twenty-five thousand, two hundred forty-four".