41940018 has 40 divisors (see below), whose sum is σ = 96530412. Its totient is φ = 13600224.

The previous prime is 41939977. The next prime is 41940023. The reversal of 41940018 is 81004914.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 762129 = 6417^2 + 873^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41939973 and 41940000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2496 + ... + 9492.

Almost surely, 2^41940018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41940018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48265206).

41940018 is an abundant number, since it is smaller than the sum of its proper divisors (54590394).

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

41940018 is a wasteful number, since it uses less digits than its factorization.

41940018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048 (or 7039 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 41940018 is about 6476.1113331999. Note that the first 3 decimals coincide. The cubic root of 41940018 is about 347.4371102311.

The spelling of 41940018 in words is "forty-one million, nine hundred forty thousand, eighteen".