41604338640 has 160 divisors (see below), whose sum is σ = 133390319616. Its totient is φ = 10715927040.

The previous prime is 41604338623. The next prime is 41604338669. The reversal of 41604338640 is 4683340614.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4064569 + ... + 4074791.

Almost surely, 2^41604338640 is an apocalyptic number.

41604338640 is a gapful number since it is divisible by the number (40) 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 41604338640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66695159808).

41604338640 is an abundant number, since it is smaller than the sum of its proper divisors (91785980976).

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

41604338640 is a wasteful number, since it uses less digits than its factorization.

41604338640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817 (or 10811 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 41604338640 in words is "forty-one billion, six hundred four million, three hundred thirty-eight thousand, six hundred forty".