420413244 has 12 divisors (see below), whose sum is σ = 980964264. Its totient is φ = 140137744.

The previous prime is 420413239. The next prime is 420413249. The reversal of 420413244 is 442314024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420413239) and next prime (420413249).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420413249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17517207 + ... + 17517230.

It is an arithmetic number, because the mean of its divisors is an integer number (81747022).

Almost surely, 2^420413244 is an apocalyptic number.

It is an amenable number.

420413244 is an abundant number, since it is smaller than the sum of its proper divisors (560551020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420413244 is a wasteful number, since it uses less digits than its factorization.

420413244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35034444 (or 35034442 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420413244 is about 20503.9811743964. The cubic root of 420413244 is about 749.1327718291.

Adding to 420413244 its reverse (442314024), we get a palindrome (862727268).

The spelling of 420413244 in words is "four hundred twenty million, four hundred thirteen thousand, two hundred forty-four".