44594749644 has 12 divisors (see below), whose sum is σ = 104054415864. Its totient is φ = 14864916544.

The previous prime is 44594749457. The next prime is 44594749649. The reversal of 44594749644 is 44694749544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×44594749644² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44594749649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858114557 + ... + 1858114580.

It is an arithmetic number, because the mean of its divisors is an integer number (8671201322).

Almost surely, 2^44594749644 is an apocalyptic number.

It is an amenable number.

44594749644 is an abundant number, since it is smaller than the sum of its proper divisors (59459666220).

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

44594749644 is a wasteful number, since it uses less digits than its factorization.

44594749644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716229144 (or 3716229142 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 60.

The spelling of 44594749644 in words is "forty-four billion, five hundred ninety-four million, seven hundred forty-nine thousand, six hundred forty-four".