421034432142 has 8 divisors (see below), whose sum is σ = 842068864296. Its totient is φ = 140344810712.

The previous prime is 421034432113. The next prime is 421034432167. The reversal of 421034432142 is 241234430124.

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

421034432142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 35086202673 + ... + 35086202684.

It is an arithmetic number, because the mean of its divisors is an integer number (105258608037).

Almost surely, 2^421034432142 is an apocalyptic number.

421034432142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421034432142 is a wasteful number, since it uses less digits than its factorization.

421034432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70172405362.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 421034432142 its reverse (241234430124), we get a palindrome (662268862266).

The spelling of 421034432142 in words is "four hundred twenty-one billion, thirty-four million, four hundred thirty-two thousand, one hundred forty-two".