41287644 has 42 divisors (see below), whose sum is σ = 108338160. Its totient is φ = 13761576.

The previous prime is 41287643. The next prime is 41287651. The reversal of 41287644 is 44678214.

41287644 is a `hidden beast` number, since 4 + 1 + 2 + 8 + 7 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 41287599 and 41287608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41287643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4164 + ... + 9995.

It is an arithmetic number, because the mean of its divisors is an integer number (2579480).

Almost surely, 2^41287644 is an apocalyptic number.

It is an amenable number.

41287644 is an abundant number, since it is smaller than the sum of its proper divisors (67050516).

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

41287644 is a wasteful number, since it uses less digits than its factorization.

41287644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181 (or 14164 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 41287644 is about 6425.5462024640. The cubic root of 41287644 is about 345.6262349876.

The spelling of 41287644 in words is "forty-one million, two hundred eighty-seven thousand, six hundred forty-four".