44637673644 has 48 divisors (see below), whose sum is σ = 118855077600. Its totient is φ = 14477082048.

The previous prime is 44637673643. The next prime is 44637673657.

44637673644 is a `hidden beast` number, since 4 + 463 + 76 + 73 + 6 + 44 = 666.

44637673644 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (44637673643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581299 + ... + 5589290.

It is an arithmetic number, because the mean of its divisors is an integer number (2476147450).

Almost surely, 2^44637673644 is an apocalyptic number.

It is an amenable number.

44637673644 is an abundant number, since it is smaller than the sum of its proper divisors (74217403956).

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

44637673644 is a wasteful number, since it uses less digits than its factorization.

44637673644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170639 (or 11170631 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 54.

The spelling of 44637673644 in words is "forty-four billion, six hundred thirty-seven million, six hundred seventy-three thousand, six hundred forty-four".