600440400042 has 64 divisors (see below), whose sum is σ = 1444929715200. Its totient is φ = 162495849600.

The previous prime is 600440400017. The next prime is 600440400059. The reversal of 600440400042 is 240004044006.

It is a junction number, because it is equal to n+sod(n) for n = 600440399985 and 600440400021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4546542 + ... + 4676742.

It is an arithmetic number, because the mean of its divisors is an integer number (22577026800).

Almost surely, 2^600440400042 is an apocalyptic number.

600440400042 is an abundant number, since it is smaller than the sum of its proper divisors (844489315158).

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

600440400042 is a wasteful number, since it uses less digits than its factorization.

600440400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136011.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 600440400042 its reverse (240004044006), we get a palindrome (840444444048).

The spelling of 600440400042 in words is "six hundred billion, four hundred forty million, four hundred thousand, forty-two".