41645613406 has 16 divisors (see below), whose sum is σ = 63110566080. Its totient is φ = 20608912800.

The previous prime is 41645613379. The next prime is 41645613413. The reversal of 41645613406 is 60431654614.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 521680 + ... + 596188.

It is an arithmetic number, because the mean of its divisors is an integer number (3944410380).

Almost surely, 2^41645613406 is an apocalyptic number.

41645613406 is a deficient number, since it is larger than the sum of its proper divisors (21464952674).

41645613406 is a wasteful number, since it uses less digits than its factorization.

41645613406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77379.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 41645613406 in words is "forty-one billion, six hundred forty-five million, six hundred thirteen thousand, four hundred six".