404212223142 has 96 divisors (see below), whose sum is σ = 1083543552000. Its totient is φ = 106047195840.

The previous prime is 404212223141. The next prime is 404212223143. The reversal of 404212223142 is 241322212404.

It is a happy number.

404212223142 is a `hidden beast` number, since 4 + 0 + 421 + 2 + 2 + 231 + 4 + 2 = 666.

404212223142 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (404212223141) and next prime (404212223143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404212223141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333142 + ... + 958857.

It is an arithmetic number, because the mean of its divisors is an integer number (11286912000).

Almost surely, 2^404212223142 is an apocalyptic number.

404212223142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404212223142 is an abundant number, since it is smaller than the sum of its proper divisors (679331328858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404212223142 is a wasteful number, since it uses less digits than its factorization.

404212223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292218 (or 1292215 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 404212223142 its reverse (241322212404), we get a palindrome (645534435546).

The spelling of 404212223142 in words is "four hundred four billion, two hundred twelve million, two hundred twenty-three thousand, one hundred forty-two".