444471747122 has 18 divisors (see below), whose sum is σ = 721957746717. Its totient is φ = 205135149336.

The previous prime is 444471747121. The next prime is 444471747157. The reversal of 444471747122 is 221747174444.

It can be written as a sum of positive squares in 2 ways, for example, as 380036493841 + 64435253281 = 616471^2 + 253841^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=471419.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444471747121) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 12238763 + ... + 12275025.

Almost surely, 2^444471747122 is an apocalyptic number.

444471747122 is a deficient number, since it is larger than the sum of its proper divisors (277485999595).

444471747122 is an frugal number, since it uses more digits than its factorization.

444471747122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72554 (or 36278 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 47.

The spelling of 444471747122 in words is "four hundred forty-four billion, four hundred seventy-one million, seven hundred forty-seven thousand, one hundred twenty-two".