320454203412450 has 48 divisors (see below), whose sum is σ = 794729403794880. Its totient is φ = 85454133885120.

The previous prime is 320454203412437. The next prime is 320454203412457. The reversal of 320454203412450 is 54214302454023.

It is a junction number, because it is equal to n+sod(n) for n = 320454203412399 and 320454203412408.

It is not an unprimeable number, because it can be changed into a prime (320454203412457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37575211 + ... + 45307889.

It is an arithmetic number, because the mean of its divisors is an integer number (16556862579060).

Almost surely, 2^{320454203412450} is an apocalyptic number.

320454203412450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320454203412450 is an abundant number, since it is smaller than the sum of its proper divisors (474275200382430).

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

320454203412450 is a wasteful number, since it uses less digits than its factorization.

320454203412450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008971 (or 8008966 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 320454203412450 its reverse (54214302454023), we get a palindrome (374668505866473).

The spelling of 320454203412450 in words is "three hundred twenty trillion, four hundred fifty-four billion, two hundred three million, four hundred twelve thousand, four hundred fifty".