420000041 has 4 divisors (see below), whose sum is σ = 420970452. Its totient is φ = 419029632.

The previous prime is 420000029. The next prime is 420000101. The reversal of 420000041 is 140000024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55190041 + 364810000 = 7429^2 + 19100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420000041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 419999977 and 420000031.

It is not an unprimeable number, because it can be changed into a prime (420000341) 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 3 ways as a sum of consecutive naturals, for example, 484556 + ... + 485421.

It is an arithmetic number, because the mean of its divisors is an integer number (105242613).

Almost surely, 2^420000041 is an apocalyptic number.

It is an amenable number.

420000041 is a deficient number, since it is larger than the sum of its proper divisors (970411).

420000041 is an equidigital number, since it uses as much as digits as its factorization.

420000041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970410.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 420000041 is about 20493.9025322167. The cubic root of 420000041 is about 748.8872630904.

Adding to 420000041 its reverse (140000024), we get a palindrome (560000065).

The spelling of 420000041 in words is "four hundred twenty million, forty-one", and thus it is an aban number.