320067295452 has 84 divisors (see below), whose sum is σ = 840491852256. Its totient is φ = 106600250880.

The previous prime is 320067295409. The next prime is 320067295463. The reversal of 320067295452 is 254592760023.

320067295452 is a `hidden beast` number, since 3 + 20 + 0 + 67 + 29 + 545 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 320067295398 and 320067295407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3503677 + ... + 3593867.

It is an arithmetic number, because the mean of its divisors is an integer number (10005855384).

Almost surely, 2^320067295452 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 320067295452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420245926128).

320067295452 is an abundant number, since it is smaller than the sum of its proper divisors (520424556804).

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

320067295452 is a wasteful number, since it uses less digits than its factorization.

320067295452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91430 (or 91413 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 320067295452 in words is "three hundred twenty billion, sixty-seven million, two hundred ninety-five thousand, four hundred fifty-two".