420240384 has 66 divisors (see below), whose sum is σ = 1213461600. Its totient is φ = 140077056.

The previous prime is 420240377. The next prime is 420240427. The reversal of 420240384 is 483042024.

It is a happy number.

420240384 is a `hidden beast` number, since 42 + 0 + 240 + 384 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13584 + ... + 32015.

Almost surely, 2^420240384 is an apocalyptic number.

It is an amenable number.

420240384 is an abundant number, since it is smaller than the sum of its proper divisors (793221216).

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

420240384 is a wasteful number, since it uses less digits than its factorization.

420240384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625 (or 45604 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 420240384 is about 20499.7654620730. The cubic root of 420240384 is about 749.0300848936.

The spelling of 420240384 in words is "four hundred twenty million, two hundred forty thousand, three hundred eighty-four".