404542211042 has 16 divisors (see below), whose sum is σ = 652341306240. Its totient is φ = 187548123888.

The previous prime is 404542210991. The next prime is 404542211053. The reversal of 404542211042 is 240112245404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404542210996 and 404542211014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113251913 + ... + 113255484.

It is an arithmetic number, because the mean of its divisors is an integer number (40771331640).

Almost surely, 2^404542211042 is an apocalyptic number.

404542211042 is a deficient number, since it is larger than the sum of its proper divisors (247799095198).

404542211042 is a wasteful number, since it uses less digits than its factorization.

404542211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226507465.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 404542211042 its reverse (240112245404), we get a palindrome (644654456446).

The spelling of 404542211042 in words is "four hundred four billion, five hundred forty-two million, two hundred eleven thousand, forty-two".