41644768 has 48 divisors (see below), whose sum is σ = 90051696. Its totient is φ = 18800640.

The previous prime is 41644763. The next prime is 41644777. The reversal of 41644768 is 86744614.

It is a self number, because there is not a number n which added to its sum of digits gives 41644768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41644763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67630 + ... + 68242.

It is an arithmetic number, because the mean of its divisors is an integer number (1876077).

Almost surely, 2^41644768 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 41644768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45025848).

41644768 is an abundant number, since it is smaller than the sum of its proper divisors (48406928).

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

41644768 is a wasteful number, since it uses less digits than its factorization.

41644768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 819 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 41644768 is about 6453.2757573189. The cubic root of 41644768 is about 346.6198917824.

It can be divided in two parts, 41 and 644768, that added together give a square (644809 = 803²).

The spelling of 41644768 in words is "forty-one million, six hundred forty-four thousand, seven hundred sixty-eight".