452005421441420 has 432 divisors, whose sum is σ = 1260906353265888. Its totient is φ = 134490415288320.

The previous prime is 452005421441419. The next prime is 452005421441501. The reversal of 452005421441420 is 24144124500254.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 1120196024 + ... + 1120599456.

It is an arithmetic number, because the mean of its divisors is an integer number (2918764706634).

Almost surely, 2^{452005421441420} 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 452005421441420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630453176632944).

452005421441420 is an abundant number, since it is smaller than the sum of its proper divisors (808900931824468).

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

452005421441420 is a wasteful number, since it uses less digits than its factorization.

452005421441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403610 (or 403548 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

Adding to 452005421441420 its reverse (24144124500254), we get a palindrome (476149545941674).

The spelling of 452005421441420 in words is "four hundred fifty-two trillion, five billion, four hundred twenty-one million, four hundred forty-one thousand, four hundred twenty".