400143412042 has 16 divisors (see below), whose sum is σ = 683248830912. Its totient is φ = 173975396320.

The previous prime is 400143411991. The next prime is 400143412051. The reversal of 400143412042 is 240214341004.

It is a super-2 number, since 2×400143412042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400143411998 and 400143412016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395398123 + ... + 395399134.

It is an arithmetic number, because the mean of its divisors is an integer number (42703051932).

Almost surely, 2^400143412042 is an apocalyptic number.

400143412042 is a deficient number, since it is larger than the sum of its proper divisors (283105418870).

400143412042 is a wasteful number, since it uses less digits than its factorization.

400143412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790797293.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 400143412042 its reverse (240214341004), we get a palindrome (640357753046).

The spelling of 400143412042 in words is "four hundred billion, one hundred forty-three million, four hundred twelve thousand, forty-two".