41805240 has 128 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 10465280.

The previous prime is 41805233. The next prime is 41805241. The reversal of 41805240 is 4250814.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 41805240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41805241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142534 + ... + 142826.

Almost surely, 2^41805240 is an apocalyptic number.

41805240 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 41805240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66679200).

41805240 is an abundant number, since it is smaller than the sum of its proper divisors (91553160).

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

41805240 is a wasteful number, since it uses less digits than its factorization.

41805240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 41805240 is about 6465.6971781858. The cubic root of 41805240 is about 347.0645374346.

The spelling of 41805240 in words is "forty-one million, eight hundred five thousand, two hundred forty".