44164041644 has 6 divisors (see below), whose sum is σ = 77287072884. Its totient is φ = 22082020820.

The previous prime is 44164041611. The next prime is 44164041653. The reversal of 44164041644 is 44614046144.

It is a junction number, because it is equal to n+sod(n) for n = 44164041598 and 44164041607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520505202 + ... + 5520505209.

It is an arithmetic number, because the mean of its divisors is an integer number (12881178814).

Almost surely, 2^44164041644 is an apocalyptic number.

It is an amenable number.

44164041644 is a deficient number, since it is larger than the sum of its proper divisors (33123031240).

44164041644 is a wasteful number, since it uses less digits than its factorization.

44164041644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041010415 (or 11041010413 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 44164041644 its reverse (44614046144), we get a palindrome (88778087788).

The spelling of 44164041644 in words is "forty-four billion, one hundred sixty-four million, forty-one thousand, six hundred forty-four".