320465253042 has 64 divisors (see below), whose sum is σ = 777472819200. Its totient is φ = 97037263440.

The previous prime is 320465253007. The next prime is 320465253049. The reversal of 320465253042 is 240352564023.

320465253042 is a `hidden beast` number, since 3 + 20 + 4 + 65 + 2 + 530 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 320465252988 and 320465253006.

It is not an unprimeable number, because it can be changed into a prime (320465253049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584959 + ... + 991517.

It is an arithmetic number, because the mean of its divisors is an integer number (12148012800).

Almost surely, 2^320465253042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320465253042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388736409600).

320465253042 is an abundant number, since it is smaller than the sum of its proper divisors (457007566158).

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

320465253042 is a wasteful number, since it uses less digits than its factorization.

320465253042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407908 (or 407902 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 320465253042 in words is "three hundred twenty billion, four hundred sixty-five million, two hundred fifty-three thousand, forty-two".