4042402420424 has 32 divisors (see below), whose sum is σ = 8025976287000. Its totient is φ = 1902160404480.

The previous prime is 4042402420421. The next prime is 4042402420453. The reversal of 4042402420424 is 4240242042404.

It can be written as a sum of positive squares in 4 ways, for example, as 3683397731524 + 359004688900 = 1919218^2 + 599170^2 .

It is not an unprimeable number, because it can be changed into a prime (4042402420421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635744 + ... + 2913584.

Almost surely, 2^{4042402420424} is an apocalyptic number.

It is an amenable number.

4042402420424 is a deficient number, since it is larger than the sum of its proper divisors (3983573866576).

4042402420424 is a wasteful number, since it uses less digits than its factorization.

4042402420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290913 (or 2290909 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4042402420424 its reverse (4240242042404), we get a palindrome (8282644462828).

The spelling of 4042402420424 in words is "four trillion, forty-two billion, four hundred two million, four hundred twenty thousand, four hundred twenty-four".