40320323312 has 10 divisors (see below), whose sum is σ = 78120626448. Its totient is φ = 20160161648.

The previous prime is 40320323299. The next prime is 40320323317. The reversal of 40320323312 is 21332302304.

40320323312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320323317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260010088 + ... + 1260010119.

Almost surely, 2^40320323312 is an apocalyptic number.

It is an amenable number.

40320323312 is a deficient number, since it is larger than the sum of its proper divisors (37800303136).

40320323312 is a wasteful number, since it uses less digits than its factorization.

40320323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520020215 (or 2520020209 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 40320323312 its reverse (21332302304), we get a palindrome (61652625616).

The spelling of 40320323312 in words is "forty billion, three hundred twenty million, three hundred twenty-three thousand, three hundred twelve".