2504224420042 has 16 divisors (see below), whose sum is σ = 3977515451592. Its totient is φ = 1178394004480.

The previous prime is 2504224420021. The next prime is 2504224420067. The reversal of 2504224420042 is 2400244224052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2122385699281 + 381838720761 = 1456841^2 + 617931^2 .

It is a super-2 number, since 2×2504224420042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2504224419986 and 2504224420013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384303 + ... + 2631490.

Almost surely, 2^{2504224420042} is an apocalyptic number.

2504224420042 is a deficient number, since it is larger than the sum of its proper divisors (1473291031550).

2504224420042 is a wasteful number, since it uses less digits than its factorization.

2504224420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034153.

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 2504224420042 its reverse (2400244224052), we get a palindrome (4904468644094).

The spelling of 2504224420042 in words is "two trillion, five hundred four billion, two hundred twenty-four million, four hundred twenty thousand, forty-two".