40234143412 has 12 divisors (see below), whose sum is σ = 70411276516. Its totient is φ = 20116635840.

The previous prime is 40234143407. The next prime is 40234143413. The reversal of 40234143412 is 21434143204.

It can be written as a sum of positive squares in 2 ways, for example, as 9809713936 + 30424429476 = 99044^2 + 174426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234143413) 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 3 ways as a sum of consecutive naturals, for example, 189658 + ... + 341230.

Almost surely, 2^40234143412 is an apocalyptic number.

It is an amenable number.

40234143412 is a deficient number, since it is larger than the sum of its proper divisors (30177133104).

40234143412 is a wasteful number, since it uses less digits than its factorization.

40234143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217938 (or 217936 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40234143412 its reverse (21434143204), we get a palindrome (61668286616).

The spelling of 40234143412 in words is "forty billion, two hundred thirty-four million, one hundred forty-three thousand, four hundred twelve".