42302402421 has 8 divisors (see below), whose sum is σ = 59721038784. Its totient is φ = 26542683840.

The previous prime is 42302402381. The next prime is 42302402423. The reversal of 42302402421 is 12420420324.

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

It is not a de Polignac number, because 42302402421 - 2¹⁴ = 42302386037 is a prime.

It is a super-2 number, since 2×42302402421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42302402391 and 42302402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302402423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414729385 + ... + 414729486.

It is an arithmetic number, because the mean of its divisors is an integer number (7465129848).

Almost surely, 2^42302402421 is an apocalyptic number.

It is an amenable number.

42302402421 is a deficient number, since it is larger than the sum of its proper divisors (17418636363).

42302402421 is a wasteful number, since it uses less digits than its factorization.

42302402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829458891.

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

Adding to 42302402421 its reverse (12420420324), we get a palindrome (54722822745).

The spelling of 42302402421 in words is "forty-two billion, three hundred two million, four hundred two thousand, four hundred twenty-one".