44478611687444 has 24 divisors (see below), whose sum is σ = 86181082081248. Its totient is φ = 19915796276640.

The previous prime is 44478611687399. The next prime is 44478611687491.

44478611687444 is nontrivially palindromic in base 10.

44478611687444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7543859279 + ... + 7543865174.

It is an arithmetic number, because the mean of its divisors is an integer number (3590878420052).

Almost surely, 2^{44478611687444} is an apocalyptic number.

44478611687444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44478611687444 is a deficient number, since it is larger than the sum of its proper divisors (41702470393804).

44478611687444 is a wasteful number, since it uses less digits than its factorization.

44478611687444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15087724535 (or 15087724533 counting only the distinct ones).

The product of its digits is 462422016, while the sum is 68.

The spelling of 44478611687444 in words is "forty-four trillion, four hundred seventy-eight billion, six hundred eleven million, six hundred eighty-seven thousand, four hundred forty-four".