40140012031312 has 20 divisors (see below), whose sum is σ = 77771576603476. Its totient is φ = 20069927746560.

The previous prime is 40140012031279. The next prime is 40140012031337. The reversal of 40140012031312 is 21313021004104.

It can be written as a sum of positive squares in 2 ways, for example, as 36121013525776 + 4018998505536 = 6010076^2 + 2004744^2 .

It is a super-2 number, since 2×40140012031312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 543723 + ... + 8976394.

Almost surely, 2^{40140012031312} is an apocalyptic number.

It is an amenable number.

40140012031312 is a deficient number, since it is larger than the sum of its proper divisors (37631564572164).

40140012031312 is a wasteful number, since it uses less digits than its factorization.

40140012031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783646 (or 9783640 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 40140012031312 its reverse (21313021004104), we get a palindrome (61453033035416).

The spelling of 40140012031312 in words is "forty trillion, one hundred forty billion, twelve million, thirty-one thousand, three hundred twelve".