403204201042 has 4 divisors (see below), whose sum is σ = 604806301566. Its totient is φ = 201602100520.

The previous prime is 403204201033. The next prime is 403204201073. The reversal of 403204201042 is 240102402304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 275298546721 + 127905654321 = 524689^2 + 357639^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100801050259 + ... + 100801050262.

Almost surely, 2^403204201042 is an apocalyptic number.

403204201042 is a deficient number, since it is larger than the sum of its proper divisors (201602100524).

403204201042 is a wasteful number, since it uses less digits than its factorization.

403204201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201602100523.

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

Adding to 403204201042 its reverse (240102402304), we get a palindrome (643306603346).

The spelling of 403204201042 in words is "four hundred three billion, two hundred four million, two hundred one thousand, forty-two".