320314021452 has 120 divisors (see below), whose sum is σ = 895886739440. Its totient is φ = 99493453440.

The previous prime is 320314021421. The next prime is 320314021457. The reversal of 320314021452 is 254120413023.

320314021452 is a `hidden beast` number, since 3 + 203 + 1 + 4 + 0 + 2 + 1 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (320314021457) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50983 + ... + 802014.

Almost surely, 2^320314021452 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 320314021452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447943369720).

320314021452 is an abundant number, since it is smaller than the sum of its proper divisors (575572717988).

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

320314021452 is a wasteful number, since it uses less digits than its factorization.

320314021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853093 (or 853082 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 320314021452 its reverse (254120413023), we get a palindrome (574434434475).

The spelling of 320314021452 in words is "three hundred twenty billion, three hundred fourteen million, twenty-one thousand, four hundred fifty-two".