41989860 has 96 divisors (see below), whose sum is σ = 142531200. Its totient is φ = 10177920.

The previous prime is 41989853. The next prime is 41989861. The reversal of 41989860 is 6898914.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (41989861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406 + ... + 9474.

It is an arithmetic number, because the mean of its divisors is an integer number (1484700).

Almost surely, 2^41989860 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 41989860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71265600).

41989860 is an abundant number, since it is smaller than the sum of its proper divisors (100541340).

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

41989860 is a wasteful number, since it uses less digits than its factorization.

41989860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098 (or 7090 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 41989860 is about 6479.9583331994. The cubic root of 41989860 is about 347.5746884989.

It can be divided in two parts, 41989 and 860, that added together give a square (42849 = 207²).

The spelling of 41989860 in words is "forty-one million, nine hundred eighty-nine thousand, eight hundred sixty".