44646666664644 has 72 divisors (see below), whose sum is σ = 126444040439808. Its totient is φ = 13163636358720.

The previous prime is 44646666664631. The next prime is 44646666664709.

44646666664644 is nontrivially palindromic in base 10.

44646666664644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 23 ways as a sum of consecutive naturals, for example, 1523554372 + ... + 1523583675.

Almost surely, 2^{44646666664644} is an apocalyptic number.

44646666664644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44646666664644 is an abundant number, since it is smaller than the sum of its proper divisors (81797373775164).

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

44646666664644 is a wasteful number, since it uses less digits than its factorization.

44646666664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047138105 (or 3047138100 counting only the distinct ones).

The product of its digits is 6879707136, while the sum is 72.

The spelling of 44646666664644 in words is "forty-four trillion, six hundred forty-six billion, six hundred sixty-six million, six hundred sixty-four thousand, six hundred forty-four".