4044666688928 has 12 divisors (see below), whose sum is σ = 7962937543890. Its totient is φ = 2022333344448.

The previous prime is 4044666688901. The next prime is 4044666688957. The reversal of 4044666688928 is 8298866664404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3235149017104 + 809517671824 = 1798652^2 + 899732^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63197916983 + ... + 63197917046.

Almost surely, 2^{4044666688928} is an apocalyptic number.

It is an amenable number.

4044666688928 is a deficient number, since it is larger than the sum of its proper divisors (3918270854962).

4044666688928 is a wasteful number, since it uses less digits than its factorization.

4044666688928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126395834039 (or 126395834031 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 71.

The spelling of 4044666688928 in words is "four trillion, forty-four billion, six hundred sixty-six million, six hundred eighty-eight thousand, nine hundred twenty-eight".