44623432644 has 96 divisors (see below), whose sum is σ = 119558799360. Its totient is φ = 12689392128.

The previous prime is 44623432619. The next prime is 44623432657.

44623432644 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 44623432596 and 44623432605.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19076827 + ... + 19079165.

It is an arithmetic number, because the mean of its divisors is an integer number (1245404160).

Almost surely, 2^44623432644 is an apocalyptic number.

It is an amenable number.

44623432644 is an abundant number, since it is smaller than the sum of its proper divisors (74935366716).

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

44623432644 is a wasteful number, since it uses less digits than its factorization.

44623432644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3327 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 42.

The spelling of 44623432644 in words is "forty-four billion, six hundred twenty-three million, four hundred thirty-two thousand, six hundred forty-four".