444143700068 has 18 divisors (see below), whose sum is σ = 825661603746. Its totient is φ = 209008799488.

The previous prime is 444143700067. The next prime is 444143700071. The reversal of 444143700068 is 860007341444.

It can be written as a sum of positive squares in 3 ways, for example, as 222074677504 + 222069022564 = 471248^2 + 471242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444143699998 and 444143700034.

It is not an unprimeable number, because it can be changed into a prime (444143700067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192102521 + ... + 192104832.

It is an arithmetic number, because the mean of its divisors is an integer number (45870089097).

Almost surely, 2^444143700068 is an apocalyptic number.

It is an amenable number.

444143700068 is a deficient number, since it is larger than the sum of its proper divisors (381517903678).

444143700068 is a wasteful number, since it uses less digits than its factorization.

444143700068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384207391 (or 384207372 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 444143700068 in words is "four hundred forty-four billion, one hundred forty-three million, seven hundred thousand, sixty-eight".