320422450452 has 48 divisors (see below), whose sum is σ = 805259687232. Its totient is φ = 98579819520.

The previous prime is 320422450441. The next prime is 320422450529. The reversal of 320422450452 is 254054224023.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1245427 + ... + 1480517.

It is an arithmetic number, because the mean of its divisors is an integer number (16776243484).

Almost surely, 2^320422450452 is an apocalyptic number.

It is an amenable number.

320422450452 is an abundant number, since it is smaller than the sum of its proper divisors (484837236780).

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

320422450452 is a wasteful number, since it uses less digits than its factorization.

320422450452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243848 (or 243846 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 320422450452 its reverse (254054224023), we get a palindrome (574476674475).

The spelling of 320422450452 in words is "three hundred twenty billion, four hundred twenty-two million, four hundred fifty thousand, four hundred fifty-two".