41663140 has 36 divisors (see below), whose sum is σ = 90650196. Its totient is φ = 16084096.

The previous prime is 41663137. The next prime is 41663161. The reversal of 41663140 is 4136614.

It can be written as a sum of positive squares in 6 ways, for example, as 86436 + 41576704 = 294^2 + 6448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15582 + ... + 18058.

It is an arithmetic number, because the mean of its divisors is an integer number (2518061).

Almost surely, 2^41663140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41663140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45325098).

41663140 is an abundant number, since it is smaller than the sum of its proper divisors (48987056).

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

41663140 is a wasteful number, since it uses less digits than its factorization.

41663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 41663140 is about 6454.6990634731. The cubic root of 41663140 is about 346.6708558830.

Adding to 41663140 its reverse (4136614), we get a palindrome (45799754).

It can be divided in two parts, 41663 and 140, that multiplied together give a triangular number (5832820 = T₃₄₁₅).

The spelling of 41663140 in words is "forty-one million, six hundred sixty-three thousand, one hundred forty".