42302420421 has 8 divisors (see below), whose sum is σ = 56405063040. Its totient is φ = 28200695712.

The previous prime is 42302420399. The next prime is 42302420449. The reversal of 42302420421 is 12402420324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42302420421 - 2⁵ = 42302420389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42302420391 and 42302420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302420491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113581 + ... + 312258.

It is an arithmetic number, because the mean of its divisors is an integer number (7050632880).

Almost surely, 2^42302420421 is an apocalyptic number.

It is an amenable number.

42302420421 is a deficient number, since it is larger than the sum of its proper divisors (14102642619).

42302420421 is a wasteful number, since it uses less digits than its factorization.

42302420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458955.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42302420421 its reverse (12402420324), we get a palindrome (54704840745).

The spelling of 42302420421 in words is "forty-two billion, three hundred two million, four hundred twenty thousand, four hundred twenty-one".