41440047668 has 6 divisors (see below), whose sum is σ = 72520083426. Its totient is φ = 20720023832.

The previous prime is 41440047667. The next prime is 41440047683. The reversal of 41440047668 is 86674004414.

It can be written as a sum of positive squares in only one way, i.e., 33376366864 + 8063680804 = 182692^2 + 89798^2 .

It is a super-2 number, since 2×41440047668² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41440047667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5180005955 + ... + 5180005962.

It is an arithmetic number, because the mean of its divisors is an integer number (12086680571).

Almost surely, 2^41440047668 is an apocalyptic number.

It is an amenable number.

41440047668 is a deficient number, since it is larger than the sum of its proper divisors (31080035758).

41440047668 is a wasteful number, since it uses less digits than its factorization.

41440047668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360011921 (or 10360011919 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 41440047668 in words is "forty-one billion, four hundred forty million, forty-seven thousand, six hundred sixty-eight".