41644115664 has 20 divisors (see below), whose sum is σ = 107580632256. Its totient is φ = 13881371872.

The previous prime is 41644115657. The next prime is 41644115693. The reversal of 41644115664 is 46651144614.

It is a super-2 number, since 2×41644115664² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 433792824 + ... + 433792919.

Almost surely, 2^41644115664 is an apocalyptic number.

It is an amenable number.

41644115664 is an abundant number, since it is smaller than the sum of its proper divisors (65936516592).

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

41644115664 is a wasteful number, since it uses less digits than its factorization.

41644115664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867585754 (or 867585748 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 41644115664 in words is "forty-one billion, six hundred forty-four million, one hundred fifteen thousand, six hundred sixty-four".