420455241 has 6 divisors (see below), whose sum is σ = 607324250. Its totient is φ = 280303488.

The previous prime is 420455239. The next prime is 420455251. The reversal of 420455241 is 142554024.

It can be written as a sum of positive squares in only one way, i.e., 342398016 + 78057225 = 18504^2 + 8835^2 .

It is not a de Polignac number, because 420455241 - 2¹ = 420455239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420455251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23358616 + ... + 23358633.

Almost surely, 2^420455241 is an apocalyptic number.

It is an amenable number.

420455241 is a deficient number, since it is larger than the sum of its proper divisors (186869009).

420455241 is a wasteful number, since it uses less digits than its factorization.

420455241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46717255 (or 46717252 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 420455241 is about 20505.0052670074. The cubic root of 420455241 is about 749.1577157638.

The spelling of 420455241 in words is "four hundred twenty million, four hundred fifty-five thousand, two hundred forty-one".