41665650 has 96 divisors (see below), whose sum is σ = 116242560. Its totient is φ = 9799680.

The previous prime is 41665639. The next prime is 41665709. The reversal of 41665650 is 5656614.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44386 + ... + 45314.

It is an arithmetic number, because the mean of its divisors is an integer number (1210860).

Almost surely, 2^41665650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41665650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58121280).

41665650 is an abundant number, since it is smaller than the sum of its proper divisors (74576910).

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

41665650 is a wasteful number, since it uses less digits than its factorization.

41665650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 41665650 is about 6454.8934925373. The cubic root of 41665650 is about 346.6778174832.

It can be divided in two parts, 416 and 65650, that added together give a palindrome (66066).

The spelling of 41665650 in words is "forty-one million, six hundred sixty-five thousand, six hundred fifty".