441418338428 has 12 divisors (see below), whose sum is σ = 772505400240. Its totient is φ = 220702509792.

The previous prime is 441418338391. The next prime is 441418338437. The reversal of 441418338428 is 824833814144.

It is a happy number.

It is a super-2 number, since 2×441418338428² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514201 + ... + 1782032.

It is an arithmetic number, because the mean of its divisors is an integer number (64375450020).

Almost surely, 2^441418338428 is an apocalyptic number.

It is an amenable number.

441418338428 is a deficient number, since it is larger than the sum of its proper divisors (331087061812).

441418338428 is a wasteful number, since it uses less digits than its factorization.

441418338428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329716 (or 3329714 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 50.

The spelling of 441418338428 in words is "four hundred forty-one billion, four hundred eighteen million, three hundred thirty-eight thousand, four hundred twenty-eight".