42421021444030 has 32 divisors (see below), whose sum is σ = 80850105775296. Its totient is φ = 15970142529024.

The previous prime is 42421021444003. The next prime is 42421021444049. The reversal of 42421021444030 is 3044412012424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42421021443983 and 42421021444001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22599492 + ... + 24404488.

It is an arithmetic number, because the mean of its divisors is an integer number (2526565805478).

Almost surely, 2^{42421021444030} is an apocalyptic number.

42421021444030 is a deficient number, since it is larger than the sum of its proper divisors (38429084331266).

42421021444030 is a wasteful number, since it uses less digits than its factorization.

42421021444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943268.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42421021444030 its reverse (3044412012424), we get a palindrome (45465433456454).

The spelling of 42421021444030 in words is "forty-two trillion, four hundred twenty-one billion, twenty-one million, four hundred forty-four thousand, thirty".