44020563343644 has 48 divisors (see below), whose sum is σ = 104576346435456. Its totient is φ = 14408383761600.

The previous prime is 44020563343531. The next prime is 44020563343649. The reversal of 44020563343644 is 44634336502044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44020563343593 and 44020563343602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44020563343649) 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, 50794662 + ... + 51654029.

It is an arithmetic number, because the mean of its divisors is an integer number (2178673884072).

Almost surely, 2^{44020563343644} is an apocalyptic number.

It is an amenable number.

44020563343644 is an abundant number, since it is smaller than the sum of its proper divisors (60555783091812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44020563343644 is a wasteful number, since it uses less digits than its factorization.

44020563343644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102449346 (or 102449344 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 48.

Adding to 44020563343644 its reverse (44634336502044), we get a palindrome (88654899845688).

The spelling of 44020563343644 in words is "forty-four trillion, twenty billion, five hundred sixty-three million, three hundred forty-three thousand, six hundred forty-four".