41800644 has 48 divisors (see below), whose sum is σ = 110904640. Its totient is φ = 13608000.

The previous prime is 41800643. The next prime is 41800651. The reversal of 41800644 is 44600814.

41800644 is a `hidden beast` number, since 4 + 18 + 0 + 0 + 644 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41800643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144 + ... + 9144.

Almost surely, 2^41800644 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 41800644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55452320).

41800644 is an abundant number, since it is smaller than the sum of its proper divisors (69103996).

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

41800644 is a wasteful number, since it uses less digits than its factorization.

41800644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057 (or 9049 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 41800644 is about 6465.3417543081. The cubic root of 41800644 is about 347.0518183985.

The spelling of 41800644 in words is "forty-one million, eight hundred thousand, six hundred forty-four".