42021322030 has 8 divisors (see below), whose sum is σ = 75638379672. Its totient is φ = 16808528808.

The previous prime is 42021322019. The next prime is 42021322039. The reversal of 42021322030 is 3022312024.

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 = 42021321989 and 42021322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021322039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2101066092 + ... + 2101066111.

It is an arithmetic number, because the mean of its divisors is an integer number (9454797459).

Almost surely, 2^42021322030 is an apocalyptic number.

42021322030 is a deficient number, since it is larger than the sum of its proper divisors (33617057642).

42021322030 is a wasteful number, since it uses less digits than its factorization.

42021322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202132210.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42021322030 its reverse (3022312024), we get a palindrome (45043634054).

The spelling of 42021322030 in words is "forty-two billion, twenty-one million, three hundred twenty-two thousand, thirty".