1204424400042 has 24 divisors (see below), whose sum is σ = 2633527362180. Its totient is φ = 397791544320.

The previous prime is 1204424400019. The next prime is 1204424400073. The reversal of 1204424400042 is 2400044244021.

It can be written as a sum of positive squares in 2 ways, for example, as 1094406807321 + 110017592721 = 1046139^2 + 331689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1204424399979 and 1204424400015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306935959 + ... + 306939882.

Almost surely, 2^{1204424400042} is an apocalyptic number.

1204424400042 is an abundant number, since it is smaller than the sum of its proper divisors (1429102962138).

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

1204424400042 is a wasteful number, since it uses less digits than its factorization.

1204424400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613875958 (or 613875955 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 1204424400042 its reverse (2400044244021), we get a palindrome (3604468644063).

The spelling of 1204424400042 in words is "one trillion, two hundred four billion, four hundred twenty-four million, four hundred thousand, forty-two".