320546415042 has 128 divisors (see below), whose sum is σ = 849765150720. Its totient is φ = 87573467520.

The previous prime is 320546415001. The next prime is 320546415061. The reversal of 320546415042 is 240514645023.

320546415042 is a `hidden beast` number, since 3 + 2 + 0 + 5 + 4 + 641 + 5 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 320546414988 and 320546415006.

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, 44448817 + ... + 44456027.

It is an arithmetic number, because the mean of its divisors is an integer number (6638790240).

Almost surely, 2^320546415042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320546415042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424882575360).

320546415042 is an abundant number, since it is smaller than the sum of its proper divisors (529218735678).

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

320546415042 is a wasteful number, since it uses less digits than its factorization.

320546415042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 320546415042 in words is "three hundred twenty billion, five hundred forty-six million, four hundred fifteen thousand, forty-two".