44638881044 has 36 divisors (see below), whose sum is σ = 83012603520. Its totient is φ = 20999172480.

The previous prime is 44638881041. The next prime is 44638881073. The reversal of 44638881044 is 44018883644.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44638880983 and 44638881001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44638881041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724477 + ... + 4733915.

Almost surely, 2^44638881044 is an apocalyptic number.

It is an amenable number.

44638881044 is a deficient number, since it is larger than the sum of its proper divisors (38373722476).

44638881044 is a wasteful number, since it uses less digits than its factorization.

44638881044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13568 (or 13549 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 44638881044 in words is "forty-four billion, six hundred thirty-eight million, eight hundred eighty-one thousand, forty-four".