44678487644 has 24 divisors (see below), whose sum is σ = 94613268960. Its totient is φ = 18021574656.

The previous prime is 44678487629. The next prime is 44678487701.

44678487644 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46930709 + ... + 46931660.

It is an arithmetic number, because the mean of its divisors is an integer number (3942219540).

Almost surely, 2^44678487644 is an apocalyptic number.

It is an amenable number.

44678487644 is an abundant number, since it is smaller than the sum of its proper divisors (49934781316).

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

44678487644 is a wasteful number, since it uses less digits than its factorization.

44678487644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93862397 (or 93862395 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 62.

The spelling of 44678487644 in words is "forty-four billion, six hundred seventy-eight million, four hundred eighty-seven thousand, six hundred forty-four".