4043421400242 has 64 divisors (see below), whose sum is σ = 9522219389184. Its totient is φ = 1120448609280.

The previous prime is 4043421400223. The next prime is 4043421400253. The reversal of 4043421400242 is 2420041243404.

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, 3670059 + ... + 4642862.

It is an arithmetic number, because the mean of its divisors is an integer number (148784677956).

Almost surely, 2^{4043421400242} is an apocalyptic number.

4043421400242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4043421400242 is an abundant number, since it is smaller than the sum of its proper divisors (5478797988942).

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

4043421400242 is a wasteful number, since it uses less digits than its factorization.

4043421400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313283.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4043421400242 its reverse (2420041243404), we get a palindrome (6463462643646).

The spelling of 4043421400242 in words is "four trillion, forty-three billion, four hundred twenty-one million, four hundred thousand, two hundred forty-two".