444414141 has 16 divisors (see below), whose sum is σ = 676187200. Its totient is φ = 288267984.

The previous prime is 444414127. The next prime is 444414151. The reversal of 444414141 is 141414444.

It is not a de Polignac number, because 444414141 - 2²¹ = 442316989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444414101) 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, 221431 + ... + 223428.

It is an arithmetic number, because the mean of its divisors is an integer number (42261700).

Almost surely, 2^444414141 is an apocalyptic number.

It is an amenable number.

444414141 is a deficient number, since it is larger than the sum of its proper divisors (231773059).

444414141 is a wasteful number, since it uses less digits than its factorization.

444414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444905 (or 444899 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 444414141 is about 21081.1323462474. The cubic root of 444414141 is about 763.1254835824.

Adding to 444414141 its reverse (141414444), we get a palindrome (585828585).

The spelling of 444414141 in words is "four hundred forty-four million, four hundred fourteen thousand, one hundred forty-one".