40321451234312 has 16 divisors (see below), whose sum is σ = 75683064033900. Its totient is φ = 20139300825280.

The previous prime is 40321451234243. The next prime is 40321451234357. The reversal of 40321451234312 is 21343215412304.

It can be written as a sum of positive squares in 2 ways, for example, as 37035330663556 + 3286120570756 = 6085666^2 + 1812766^2 .

It is a super-2 number, since 2×40321451234312² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678090987 + ... + 2678106042.

Almost surely, 2^{40321451234312} is an apocalyptic number.

It is an amenable number.

40321451234312 is a deficient number, since it is larger than the sum of its proper divisors (35361612799588).

40321451234312 is a wasteful number, since it uses less digits than its factorization.

40321451234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356197976 (or 5356197972 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 40321451234312 its reverse (21343215412304), we get a palindrome (61664666646616).

The spelling of 40321451234312 in words is "forty trillion, three hundred twenty-one billion, four hundred fifty-one million, two hundred thirty-four thousand, three hundred twelve".