4321200042 has 32 divisors (see below), whose sum is σ = 9933796800. Its totient is φ = 1390730544.

The previous prime is 4321200011. The next prime is 4321200047. The reversal of 4321200042 is 2400021234.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4321199988 and 4321200024.

It is not an unprimeable number, because it can be changed into a prime (4321200047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378128 + ... + 1381259.

It is an arithmetic number, because the mean of its divisors is an integer number (310431150).

Almost surely, 2^4321200042 is an apocalyptic number.

4321200042 is an abundant number, since it is smaller than the sum of its proper divisors (5612596758).

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

4321200042 is a wasteful number, since it uses less digits than its factorization.

4321200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759427 (or 2759421 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4321200042 is about 65735.8352955220. The cubic root of 4321200042 is about 1628.8013622518.

Adding to 4321200042 its reverse (2400021234), we get a palindrome (6721221276).

The spelling of 4321200042 in words is "four billion, three hundred twenty-one million, two hundred thousand, forty-two".