320437336553412 has 192 divisors, whose sum is σ = 845153906688000. Its totient is φ = 93812774791680.

The previous prime is 320437336553371. The next prime is 320437336553423. The reversal of 320437336553412 is 214355633734023.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90724089 + ... + 94189887.

It is an arithmetic number, because the mean of its divisors is an integer number (4401843264000).

Almost surely, 2^{320437336553412} 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 320437336553412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422576953344000).

320437336553412 is an abundant number, since it is smaller than the sum of its proper divisors (524716570134588).

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

320437336553412 is a wasteful number, since it uses less digits than its factorization.

320437336553412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466146 (or 3466144 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 51.

The spelling of 320437336553412 in words is "three hundred twenty trillion, four hundred thirty-seven billion, three hundred thirty-six million, five hundred fifty-three thousand, four hundred twelve".