40312230312 has 128 divisors (see below), whose sum is σ = 103443350400. Its totient is φ = 13088452608.

The previous prime is 40312230253. The next prime is 40312230317. The reversal of 40312230312 is 21303221304.

It is not an unprimeable number, because it can be changed into a prime (40312230317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53252238 + ... + 53252994.

It is an arithmetic number, because the mean of its divisors is an integer number (808151175).

Almost surely, 2^40312230312 is an apocalyptic number.

It is an amenable number.

40312230312 is an abundant number, since it is smaller than the sum of its proper divisors (63131120088).

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

40312230312 is a wasteful number, since it uses less digits than its factorization.

40312230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1191 counting only the distinct ones).

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

Adding to 40312230312 its reverse (21303221304), we get a palindrome (61615451616).

The spelling of 40312230312 in words is "forty billion, three hundred twelve million, two hundred thirty thousand, three hundred twelve".