444140134241 has 16 divisors (see below), whose sum is σ = 480245707200. Its totient is φ = 410501532960.

The previous prime is 444140134219. The next prime is 444140134253. The reversal of 444140134241 is 142431041444.

It is not a de Polignac number, because 444140134241 - 2¹⁴ = 444140117857 is a prime.

It is a super-2 number, since 2×444140134241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444140134198 and 444140134207.

It is not an unprimeable number, because it can be changed into a prime (444140134271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508451 + ... + 1070888.

It is an arithmetic number, because the mean of its divisors is an integer number (30015356700).

Almost surely, 2^444140134241 is an apocalyptic number.

444140134241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

444140134241 is a deficient number, since it is larger than the sum of its proper divisors (36105572959).

444140134241 is an equidigital number, since it uses as much as digits as its factorization.

444140134241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579437 (or 1579399 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 444140134241 its reverse (142431041444), we get a palindrome (586571175685).

The spelling of 444140134241 in words is "four hundred forty-four billion, one hundred forty million, one hundred thirty-four thousand, two hundred forty-one".