421432241244 has 192 divisors, whose sum is σ = 1195643904000. Its totient is φ = 112856198400.

The previous prime is 421432241231. The next prime is 421432241317. The reversal of 421432241244 is 442142234124.

It is a nude number because it is divisible by every one of its digits.

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 63 ways as a sum of consecutive naturals, for example, 57482659 + ... + 57489989.

It is an arithmetic number, because the mean of its divisors is an integer number (6227312000).

Almost surely, 2^421432241244 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 421432241244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597821952000).

421432241244 is an abundant number, since it is smaller than the sum of its proper divisors (774211662756).

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

421432241244 is a wasteful number, since it uses less digits than its factorization.

421432241244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744 (or 7742 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

Adding to 421432241244 its reverse (442142234124), we get a palindrome (863574475368).

The spelling of 421432241244 in words is "four hundred twenty-one billion, four hundred thirty-two million, two hundred forty-one thousand, two hundred forty-four".