404243011142 has 16 divisors (see below), whose sum is σ = 606961555200. Its totient is φ = 201922549248.

The previous prime is 404243011103. The next prime is 404243011147. The reversal of 404243011142 is 241110342404.

It is a super-2 number, since 2×404243011142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404243011147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22960859 + ... + 22978457.

It is an arithmetic number, because the mean of its divisors is an integer number (37935097200).

Almost surely, 2^404243011142 is an apocalyptic number.

404243011142 is a deficient number, since it is larger than the sum of its proper divisors (202718544058).

404243011142 is a wasteful number, since it uses less digits than its factorization.

404243011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28255.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 404243011142 its reverse (241110342404), we get a palindrome (645353353546).

The spelling of 404243011142 in words is "four hundred four billion, two hundred forty-three million, eleven thousand, one hundred forty-two".