4044444215135 has 8 divisors (see below), whose sum is σ = 4853434128576. Its totient is φ = 3235487991840.

The previous prime is 4044444215093. The next prime is 4044444215197. The reversal of 4044444215135 is 5315124444404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4044444215135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4044444215092 and 4044444215101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8157671 + ... + 8639240.

It is an arithmetic number, because the mean of its divisors is an integer number (606679266072).

Almost surely, 2^{4044444215135} is an apocalyptic number.

4044444215135 is a deficient number, since it is larger than the sum of its proper divisors (808989913441).

4044444215135 is a wasteful number, since it uses less digits than its factorization.

4044444215135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845073.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 4044444215135 its reverse (5315124444404), we get a palindrome (9359568659539).

The spelling of 4044444215135 in words is "four trillion, forty-four billion, four hundred forty-four million, two hundred fifteen thousand, one hundred thirty-five".