44020479866 has 16 divisors (see below), whose sum is σ = 72060719040. Its totient is φ = 20001751680.

The previous prime is 44020479803. The next prime is 44020479869. The reversal of 44020479866 is 66897402044.

It is a super-2 number, since 2×44020479866² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44020479869) 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 7 ways as a sum of consecutive naturals, for example, 318086 + ... + 434993.

It is an arithmetic number, because the mean of its divisors is an integer number (4503794940).

Almost surely, 2^44020479866 is an apocalyptic number.

44020479866 is a deficient number, since it is larger than the sum of its proper divisors (28040239174).

44020479866 is a wasteful number, since it uses less digits than its factorization.

44020479866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755749.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 44020479866 in words is "forty-four billion, twenty million, four hundred seventy-nine thousand, eight hundred sixty-six".