420048324 has 18 divisors (see below), whose sum is σ = 1061788910. Its totient is φ = 140016096.

The previous prime is 420048311. The next prime is 420048331. The reversal of 420048324 is 423840024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 417384900 + 2663424 = 20430^2 + 1632^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 5833969 + ... + 5834040.

Almost surely, 2^420048324 is an apocalyptic number.

It is an amenable number.

420048324 is an abundant number, since it is smaller than the sum of its proper divisors (641740586).

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

420048324 is a wasteful number, since it uses less digits than its factorization.

420048324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668019 (or 11668014 counting only the distinct ones).

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

The square root of 420048324 is about 20495.0804828866. The cubic root of 420048324 is about 748.9159592290.

Adding to 420048324 its reverse (423840024), we get a palindrome (843888348).

The spelling of 420048324 in words is "four hundred twenty million, forty-eight thousand, three hundred twenty-four".