420468424 has 16 divisors (see below), whose sum is σ = 791291520. Its totient is φ = 209457360.

The previous prime is 420468421. The next prime is 420468427. The reversal of 420468424 is 424864024.

It is an interprime number because it is at equal distance from previous prime (420468421) and next prime (420468427).

It is a self number, because there is not a number n which added to its sum of digits gives 420468424.

It is not an unprimeable number, because it can be changed into a prime (420468421) 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, 94804 + ... + 99139.

It is an arithmetic number, because the mean of its divisors is an integer number (49455720).

Almost surely, 2^420468424 is an apocalyptic number.

It is an amenable number.

420468424 is a deficient number, since it is larger than the sum of its proper divisors (370823096).

420468424 is a wasteful number, since it uses less digits than its factorization.

420468424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194220 (or 194216 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The square root of 420468424 is about 20505.3267225860. The cubic root of 420468424 is about 749.1655454065.

The spelling of 420468424 in words is "four hundred twenty million, four hundred sixty-eight thousand, four hundred twenty-four".