441481787172128 has 12 divisors (see below), whose sum is σ = 869167268495190. Its totient is φ = 220740893586048.

The previous prime is 441481787172119. The next prime is 441481787172161. The reversal of 441481787172128 is 821271787184144.

It can be written as a sum of positive squares in only one way, i.e., 388371682293904 + 53110104878224 = 19707148^2 + 7287668^2 .

It is a super-2 number, since 2×441481787172128² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898152924533 + ... + 6898152924596.

Almost surely, 2^{441481787172128} is an apocalyptic number.

It is an amenable number.

441481787172128 is a deficient number, since it is larger than the sum of its proper divisors (427685481323062).

441481787172128 is a wasteful number, since it uses less digits than its factorization.

441481787172128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796305849139 (or 13796305849131 counting only the distinct ones).

The product of its digits is 44957696, while the sum is 65.

The spelling of 441481787172128 in words is "four hundred forty-one trillion, four hundred eighty-one billion, seven hundred eighty-seven million, one hundred seventy-two thousand, one hundred twenty-eight".