41721044164 has 6 divisors (see below), whose sum is σ = 73011827294. Its totient is φ = 20860522080.

The previous prime is 41721044159. The next prime is 41721044191. The reversal of 41721044164 is 46144012714.

It can be written as a sum of positive squares in only one way, i.e., 37329331264 + 4391712900 = 193208^2 + 66270^2 .

It is a super-2 number, since 2×41721044164² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215130517 + ... + 5215130524.

Almost surely, 2^41721044164 is an apocalyptic number.

It is an amenable number.

41721044164 is a deficient number, since it is larger than the sum of its proper divisors (31290783130).

41721044164 is a wasteful number, since it uses less digits than its factorization.

41721044164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430261045 (or 10430261043 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 41721044164 its reverse (46144012714), we get a palindrome (87865056878).

The spelling of 41721044164 in words is "forty-one billion, seven hundred twenty-one million, forty-four thousand, one hundred sixty-four".