403204120042 has 8 divisors (see below), whose sum is σ = 604969608132. Its totient is φ = 201547584000.

The previous prime is 403204120031. The next prime is 403204120051. The reversal of 403204120042 is 240021402304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 360433330321 + 42770789721 = 600361^2 + 206811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 403204119995 and 403204120022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27228759 + ... + 27243562.

Almost surely, 2^403204120042 is an apocalyptic number.

403204120042 is a deficient number, since it is larger than the sum of its proper divisors (201765488090).

403204120042 is a wasteful number, since it uses less digits than its factorization.

403204120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54476024.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 403204120042 its reverse (240021402304), we get a palindrome (643225522346).

The spelling of 403204120042 in words is "four hundred three billion, two hundred four million, one hundred twenty thousand, forty-two".