4445076766644 has 36 divisors (see below), whose sum is σ = 11236230341700. Its totient is φ = 1481683806720.

The previous prime is 4445076766643. The next prime is 4445076766667. The reversal of 4445076766644 is 4466676705444.

It can be written as a sum of positive squares in 2 ways, for example, as 2046078489744 + 2398998276900 = 1430412^2 + 1548870^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4445076766644² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445076766643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11719282 + ... + 12092630.

Almost surely, 2^{4445076766644} is an apocalyptic number.

It is an amenable number.

4445076766644 is an abundant number, since it is smaller than the sum of its proper divisors (6791153575056).

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

4445076766644 is a wasteful number, since it uses less digits than its factorization.

4445076766644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704080 (or 704075 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 63.

The spelling of 4445076766644 in words is "four trillion, four hundred forty-five billion, seventy-six million, seven hundred sixty-six thousand, six hundred forty-four".