40000041 has 8 divisors (see below), whose sum is σ = 59259360. Its totient is φ = 26666676.

The previous prime is 40000033. The next prime is 40000061. The reversal of 40000041 is 14000004.

It is not a de Polignac number, because 40000041 - 2³ = 40000033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39999978 and 40000032.

It is not an unprimeable number, because it can be changed into a prime (40000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740715 + ... + 740768.

It is an arithmetic number, because the mean of its divisors is an integer number (7407420).

Almost surely, 2^40000041 is an apocalyptic number.

It is an amenable number.

40000041 is a deficient number, since it is larger than the sum of its proper divisors (19259319).

40000041 is a wasteful number, since it uses less digits than its factorization.

40000041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481492 (or 1481486 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 40000041 is about 6324.5585616705. The cubic root of 40000041 is about 341.9953061837.

Adding to 40000041 its reverse (14000004), we get a palindrome (54000045).

The spelling of 40000041 in words is "forty million, forty-one", and thus it is an aban number and an uban number.