320215150542 has 64 divisors (see below), whose sum is σ = 775048103424. Its totient is φ = 86100096000.

The previous prime is 320215150537. The next prime is 320215150579. The reversal of 320215150542 is 245051512023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13554913 + ... + 13578515.

It is an arithmetic number, because the mean of its divisors is an integer number (12110126616).

Almost surely, 2^320215150542 is an apocalyptic number.

320215150542 is an abundant number, since it is smaller than the sum of its proper divisors (454832952882).

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

320215150542 is a wasteful number, since it uses less digits than its factorization.

320215150542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42633.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 320215150542 its reverse (245051512023), we get a palindrome (565266662565).

The spelling of 320215150542 in words is "three hundred twenty billion, two hundred fifteen million, one hundred fifty thousand, five hundred forty-two".