421342001024 has 64 divisors (see below), whose sum is σ = 960254511840. Its totient is φ = 180396496896.

The previous prime is 421342001021. The next prime is 421342001057. The reversal of 421342001024 is 420100243124.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421342001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675542 + ... + 1139754.

Almost surely, 2^421342001024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421342001024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480127255920).

421342001024 is an abundant number, since it is smaller than the sum of its proper divisors (538912510816).

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

421342001024 is a wasteful number, since it uses less digits than its factorization.

421342001024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465247 (or 465235 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 421342001024 its reverse (420100243124), we get a palindrome (841442244148).

The spelling of 421342001024 in words is "four hundred twenty-one billion, three hundred forty-two million, one thousand, twenty-four".