443403142304042 has 8 divisors (see below), whose sum is σ = 668949249372516. Its totient is φ = 220420059179872.

The previous prime is 443403142304041. The next prime is 443403142304099. The reversal of 443403142304042 is 240403241304344.

It can be written as a sum of positive squares in 2 ways, for example, as 399253908232921 + 44149234071121 = 19981339^2 + 6644489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 443403142303987 and 443403142304005.

It is not an unprimeable number, because it can be changed into a prime (443403142304041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640755985643 + ... + 640755986334.

Almost surely, 2^{443403142304042} is an apocalyptic number.

443403142304042 is a deficient number, since it is larger than the sum of its proper divisors (225546107068474).

443403142304042 is a wasteful number, since it uses less digits than its factorization.

443403142304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281511972152.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 443403142304042 its reverse (240403241304344), we get a palindrome (683806383608386).

The spelling of 443403142304042 in words is "four hundred forty-three trillion, four hundred three billion, one hundred forty-two million, three hundred four thousand, forty-two".