424421312 has 28 divisors (see below), whose sum is σ = 962527920. Its totient is φ = 181894656.

The previous prime is 424421311. The next prime is 424421321. The reversal of 424421312 is 213124424.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424421311) 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, 473237 + ... + 474132.

Almost surely, 2^424421312 is an apocalyptic number.

It is an amenable number.

424421312 is an abundant number, since it is smaller than the sum of its proper divisors (538106608).

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

424421312 is an equidigital number, since it uses as much as digits as its factorization.

424421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947388 (or 947378 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 424421312 is about 20601.4881015911. The cubic root of 424421312 is about 751.5058999597.

Adding to 424421312 its reverse (213124424), we get a palindrome (637545736).

The spelling of 424421312 in words is "four hundred twenty-four million, four hundred twenty-one thousand, three hundred twelve".