404545311142 has 20 divisors (see below), whose sum is σ = 707912180316. Its totient is φ = 173376559860.

The previous prime is 404545311097. The next prime is 404545311161. The reversal of 404545311142 is 241113545404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404545311098 and 404545311107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42117784 + ... + 42127387.

Almost surely, 2^404545311142 is an apocalyptic number.

404545311142 is a deficient number, since it is larger than the sum of its proper divisors (303366869174).

404545311142 is an frugal number, since it uses more digits than its factorization.

404545311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84245201 (or 84245180 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 404545311142 its reverse (241113545404), we get a palindrome (645658856546).

The spelling of 404545311142 in words is "four hundred four billion, five hundred forty-five million, three hundred eleven thousand, one hundred forty-two".