41020640 has 48 divisors (see below), whose sum is σ = 97297200. Its totient is φ = 16343040.

The previous prime is 41020633. The next prime is 41020649. The reversal of 41020640 is 4602014.

41020640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41020649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71555 + ... + 72125.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^41020640 is an apocalyptic number.

41020640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41020640 is an abundant number, since it is smaller than the sum of its proper divisors (56276560).

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

41020640 is a wasteful number, since it uses less digits than its factorization.

41020640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 41020640 is about 6404.7357478666. The cubic root of 41020640 is about 344.8795770987.

Adding to 41020640 its reverse (4602014), we get a palindrome (45622654).

The spelling of 41020640 in words is "forty-one million, twenty thousand, six hundred forty".