202404440042 has 12 divisors (see below), whose sum is σ = 353175094530. Its totient is φ = 86744759976.

The previous prime is 202404440003. The next prime is 202404440083. The reversal of 202404440042 is 240044404202.

It can be written as a sum of positive squares in only one way, i.e., 107656828321 + 94747611721 = 328111^2 + 307811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202404439993 and 202404440020.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032675617 + ... + 1032675812.

Almost surely, 2^202404440042 is an apocalyptic number.

202404440042 is a deficient number, since it is larger than the sum of its proper divisors (150770654488).

202404440042 is a wasteful number, since it uses less digits than its factorization.

202404440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065351445 (or 2065351438 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 202404440042 its reverse (240044404202), we get a palindrome (442448844244).

The spelling of 202404440042 in words is "two hundred two billion, four hundred four million, four hundred forty thousand, forty-two".