420301344 has 24 divisors (see below), whose sum is σ = 1103291280. Its totient is φ = 140100416.

The previous prime is 420301331. The next prime is 420301381. The reversal of 420301344 is 443103024.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 420301344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188974 + ... + 2189165.

It is an arithmetic number, because the mean of its divisors is an integer number (45970470).

Almost surely, 2^420301344 is an apocalyptic number.

It is an amenable number.

420301344 is an abundant number, since it is smaller than the sum of its proper divisors (682989936).

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

420301344 is a wasteful number, since it uses less digits than its factorization.

420301344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378152 (or 4378144 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 420301344 is about 20501.2522544356. The cubic root of 420301344 is about 749.0663012022.

Adding to 420301344 its reverse (443103024), we get a palindrome (863404368).

The spelling of 420301344 in words is "four hundred twenty million, three hundred one thousand, three hundred forty-four".