420079041 has 10 divisors (see below), whose sum is σ = 627525602. Its totient is φ = 280052640.

The previous prime is 420079039. The next prime is 420079063. The reversal of 420079041 is 140970024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 357210000 + 62869041 = 18900^2 + 7929^2 .

It is not a de Polignac number, because 420079041 - 2¹ = 420079039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420078996 and 420079014.

It is not an unprimeable number, because it can be changed into a prime (420079441) 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 9 ways as a sum of consecutive naturals, for example, 2593000 + ... + 2593161.

Almost surely, 2^420079041 is an apocalyptic number.

It is an amenable number.

420079041 is a deficient number, since it is larger than the sum of its proper divisors (207446561).

420079041 is an equidigital number, since it uses as much as digits as its factorization.

420079041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186173 (or 5186164 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 420079041 is about 20495.8298441415. The cubic root of 420079041 is about 748.9342141849.

The spelling of 420079041 in words is "four hundred twenty million, seventy-nine thousand, forty-one".