40641041 has 16 divisors (see below), whose sum is σ = 48422400. Its totient is φ = 34080480.

The previous prime is 40641037. The next prime is 40641043. The reversal of 40641041 is 14014604.

It is a happy number.

It is not a de Polignac number, because 40641041 - 2² = 40641037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40641043) 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, 14861 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (3026400).

Almost surely, 2^40641041 is an apocalyptic number.

It is an amenable number.

40641041 is a deficient number, since it is larger than the sum of its proper divisors (7781359).

40641041 is an equidigital number, since it uses as much as digits as its factorization.

40641041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40641041 is about 6375.0326273675. The cubic root of 40641041 is about 343.8124569268.

Adding to 40641041 its reverse (14014604), we get a palindrome (54655645).

The spelling of 40641041 in words is "forty million, six hundred forty-one thousand, forty-one".