320237146472 has 8 divisors (see below), whose sum is σ = 600444649650. Its totient is φ = 160118573232.

The previous prime is 320237146433. The next prime is 320237146477. The reversal of 320237146472 is 274641732023.

It can be written as a sum of positive squares in only one way, i.e., 310122016996 + 10115129476 = 556886^2 + 100574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (320237146477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20014821647 + ... + 20014821662.

Almost surely, 2^320237146472 is an apocalyptic number.

It is an amenable number.

320237146472 is a deficient number, since it is larger than the sum of its proper divisors (280207503178).

320237146472 is a wasteful number, since it uses less digits than its factorization.

320237146472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40029643315 (or 40029643311 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

Adding to 320237146472 its reverse (274641732023), we get a palindrome (594878878495).

The spelling of 320237146472 in words is "three hundred twenty billion, two hundred thirty-seven million, one hundred forty-six thousand, four hundred seventy-two".