40321302312 has 16 divisors (see below), whose sum is σ = 100803255840. Its totient is φ = 13440434096.

The previous prime is 40321302289. The next prime is 40321302319. The reversal of 40321302312 is 21320312304.

40321302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40321302319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840027108 + ... + 840027155.

It is an arithmetic number, because the mean of its divisors is an integer number (6300203490).

Almost surely, 2^40321302312 is an apocalyptic number.

It is an amenable number.

40321302312 is an abundant number, since it is smaller than the sum of its proper divisors (60481953528).

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

40321302312 is a wasteful number, since it uses less digits than its factorization.

40321302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680054272 (or 1680054268 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40321302312 its reverse (21320312304), we get a palindrome (61641614616).

The spelling of 40321302312 in words is "forty billion, three hundred twenty-one million, three hundred two thousand, three hundred twelve".