420415264 has 24 divisors (see below), whose sum is σ = 828500400. Its totient is φ = 210002496.

The previous prime is 420415243. The next prime is 420415267. The reversal of 420415264 is 462514024.

It is not an unprimeable number, because it can be changed into a prime (420415267) 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, 30087 + ... + 41785.

It is an arithmetic number, because the mean of its divisors is an integer number (34520850).

Almost surely, 2^420415264 is an apocalyptic number.

It is an amenable number.

420415264 is a deficient number, since it is larger than the sum of its proper divisors (408085136).

420415264 is a wasteful number, since it uses less digits than its factorization.

420415264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12832 (or 12824 counting only the distinct ones).

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

The square root of 420415264 is about 20504.0304330636. The cubic root of 420415264 is about 749.1339716373.

Adding to 420415264 its reverse (462514024), we get a palindrome (882929288).

The spelling of 420415264 in words is "four hundred twenty million, four hundred fifteen thousand, two hundred sixty-four".