420048312 has 16 divisors (see below), whose sum is σ = 1050120840. Its totient is φ = 140016096.

The previous prime is 420048311. The next prime is 420048331. The reversal of 420048312 is 213840024.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 17502013 = 420048312 / (4 + 2 + 0 + 0 + 4 + 8 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420048311) 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, 8750983 + ... + 8751030.

Almost surely, 2^420048312 is an apocalyptic number.

It is an amenable number.

420048312 is an abundant number, since it is smaller than the sum of its proper divisors (630072528).

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

420048312 is a wasteful number, since it uses less digits than its factorization.

420048312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502022 (or 17502018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 420048312 is about 20495.0801901334. The cubic root of 420048312 is about 748.9159520973.

Adding to 420048312 its reverse (213840024), we get a palindrome (633888336).

The spelling of 420048312 in words is "four hundred twenty million, forty-eight thousand, three hundred twelve".