41644309488 has 160 divisors (see below), whose sum is σ = 118069228800. Its totient is φ = 12589559808.

The previous prime is 41644309463. The next prime is 41644309507. The reversal of 41644309488 is 88490344614.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 41644309488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14646595 + ... + 14649437.

It is an arithmetic number, because the mean of its divisors is an integer number (737932680).

Almost surely, 2^41644309488 is an apocalyptic number.

41644309488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41644309488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59034614400).

41644309488 is an abundant number, since it is smaller than the sum of its proper divisors (76424919312).

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

41644309488 is a wasteful number, since it uses less digits than its factorization.

41644309488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 41644309488 in words is "forty-one billion, six hundred forty-four million, three hundred nine thousand, four hundred eighty-eight".