4203443431242 has 128 divisors (see below), whose sum is σ = 10657902551040. Its totient is φ = 1215560808000.

The previous prime is 4203443431189. The next prime is 4203443431259. The reversal of 4203443431242 is 2421343443024.

4203443431242 is a `hidden beast` number, since 4 + 203 + 4 + 434 + 3 + 12 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4203443431197 and 4203443431206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5531392 + ... + 6245252.

It is an arithmetic number, because the mean of its divisors is an integer number (83264863680).

Almost surely, 2^{4203443431242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4203443431242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5328951275520).

4203443431242 is an abundant number, since it is smaller than the sum of its proper divisors (6454459119798).

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

4203443431242 is a wasteful number, since it uses less digits than its factorization.

4203443431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714337 (or 714331 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 4203443431242 its reverse (2421343443024), we get a palindrome (6624786874266).

The spelling of 4203443431242 in words is "four trillion, two hundred three billion, four hundred forty-three million, four hundred thirty-one thousand, two hundred forty-two".