4042421312 has 14 divisors (see below), whose sum is σ = 8021679918. Its totient is φ = 2021210624.

The previous prime is 4042421291. The next prime is 4042421351. The reversal of 4042421312 is 2131242404.

It can be written as a sum of positive squares in only one way, i.e., 2195484736 + 1846936576 = 46856^2 + 42976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31581353 + ... + 31581480.

It is an arithmetic number, because the mean of its divisors is an integer number (572977137).

Almost surely, 2^4042421312 is an apocalyptic number.

It is an amenable number.

4042421312 is a deficient number, since it is larger than the sum of its proper divisors (3979258606).

4042421312 is an equidigital number, since it uses as much as digits as its factorization.

4042421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63162845 (or 63162835 counting only the distinct ones).

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

The square root of 4042421312 is about 63580.0386284878. The cubic root of 4042421312 is about 1592.9929665560.

Adding to 4042421312 its reverse (2131242404), we get a palindrome (6173663716).

The spelling of 4042421312 in words is "four billion, forty-two million, four hundred twenty-one thousand, three hundred twelve".