44649694644 has 12 divisors (see below), whose sum is σ = 104182620864. Its totient is φ = 14883231544.

The previous prime is 44649694631. The next prime is 44649694697.

44649694644 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860403932 + ... + 1860403955.

It is an arithmetic number, because the mean of its divisors is an integer number (8681885072).

Almost surely, 2^44649694644 is an apocalyptic number.

It is an amenable number.

44649694644 is an abundant number, since it is smaller than the sum of its proper divisors (59532926220).

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

44649694644 is a wasteful number, since it uses less digits than its factorization.

44649694644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720807894 (or 3720807892 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 60.

The spelling of 44649694644 in words is "forty-four billion, six hundred forty-nine million, six hundred ninety-four thousand, six hundred forty-four".