42342024430421 has 8 divisors (see below), whose sum is σ = 43415331855000. Its totient is φ = 41270649154560.

The previous prime is 42342024430417. The next prime is 42342024430441. The reversal of 42342024430421 is 12403442024324.

It can be written as a sum of positive squares in 4 ways, for example, as 2399447470225 + 39942576960196 = 1549015^2 + 6320014^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42342024430421 - 2² = 42342024430417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342024430441) 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 7 ways as a sum of consecutive naturals, for example, 482992796 + ... + 483080453.

It is an arithmetic number, because the mean of its divisors is an integer number (5426916481875).

Almost surely, 2^{42342024430421} is an apocalyptic number.

42342024430421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42342024430421 is a deficient number, since it is larger than the sum of its proper divisors (1073307424579).

42342024430421 is a wasteful number, since it uses less digits than its factorization.

42342024430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966074359.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 42342024430421 its reverse (12403442024324), we get a palindrome (54745466454745).

The spelling of 42342024430421 in words is "forty-two trillion, three hundred forty-two billion, twenty-four million, four hundred thirty thousand, four hundred twenty-one".