400441230430142 has 32 divisors (see below), whose sum is σ = 664504026027264. Its totient is φ = 179453087934400.

The previous prime is 400441230430139. The next prime is 400441230430169. The reversal of 400441230430142 is 241034032144004.

It is a junction number, because it is equal to n+sod(n) for n = 400441230430099 and 400441230430108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142779113 + ... + 145556715.

It is an arithmetic number, because the mean of its divisors is an integer number (20765750813352).

Almost surely, 2^{400441230430142} is an apocalyptic number.

400441230430142 is a deficient number, since it is larger than the sum of its proper divisors (264062795597122).

400441230430142 is a wasteful number, since it uses less digits than its factorization.

400441230430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869984.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 400441230430142 its reverse (241034032144004), we get a palindrome (641475262574146).

The spelling of 400441230430142 in words is "four hundred trillion, four hundred forty-one billion, two hundred thirty million, four hundred thirty thousand, one hundred forty-two".