320055533542 has 4 divisors (see below), whose sum is σ = 480083300316. Its totient is φ = 160027766770.

The previous prime is 320055533537. The next prime is 320055533573. The reversal of 320055533542 is 245335550023.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80013883384 + ... + 80013883387.

It is an arithmetic number, because the mean of its divisors is an integer number (120020825079).

Almost surely, 2^320055533542 is an apocalyptic number.

320055533542 is a deficient number, since it is larger than the sum of its proper divisors (160027766774).

320055533542 is a wasteful number, since it uses less digits than its factorization.

320055533542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160027766773.

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 320055533542 in words is "three hundred twenty billion, fifty-five million, five hundred thirty-three thousand, five hundred forty-two".