420414652 has 12 divisors (see below), whose sum is σ = 840829360. Its totient is φ = 180177696.

The previous prime is 420414611. The next prime is 420414667. The reversal of 420414652 is 256414024.

420414652 is an admirable number.

It is a super-2 number, since 2×420414652² = 353496959232562208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15014809 = 420414652 / (4 + 2 + 0 + 4 + 1 + 4 + 6 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 420414652.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7507377 + ... + 7507432.

Almost surely, 2^420414652 is an apocalyptic number.

It is an amenable number.

420414652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420414652 is a wasteful number, since it uses less digits than its factorization.

420414652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15014820 (or 15014818 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 420414652 is about 20504.0155091631. The cubic root of 420414652 is about 749.1336081315.

Adding to 420414652 its reverse (256414024), we get a palindrome (676828676).

The spelling of 420414652 in words is "four hundred twenty million, four hundred fourteen thousand, six hundred fifty-two".