41330640 has 120 divisors (see below), whose sum is σ = 138875040. Its totient is φ = 10163712.

The previous prime is 41330617. The next prime is 41330647. The reversal of 41330640 is 4603314.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41330647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40051 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (1157292).

Almost surely, 2^41330640 is an apocalyptic number.

41330640 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 41330640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69437520).

41330640 is an abundant number, since it is smaller than the sum of its proper divisors (97544400).

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

41330640 is a wasteful number, since it uses less digits than its factorization.

41330640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 41330640 is about 6428.8910396739. The cubic root of 41330640 is about 345.7461690943.

Adding to 41330640 its reverse (4603314), we get a palindrome (45933954).

The spelling of 41330640 in words is "forty-one million, three hundred thirty thousand, six hundred forty".