40344340331012 has 12 divisors (see below), whose sum is σ = 70602838600476. Its totient is φ = 20172100730880.

The previous prime is 40344340330991. The next prime is 40344340331089. The reversal of 40344340331012 is 21013304344304.

It can be written as a sum of positive squares in 2 ways, for example, as 25689347593156 + 14654992737856 = 5068466^2 + 3828184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40344340331012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16040189 + ... + 18384132.

It is an arithmetic number, because the mean of its divisors is an integer number (5883569883373).

Almost surely, 2^{40344340331012} is an apocalyptic number.

It is an amenable number.

40344340331012 is a deficient number, since it is larger than the sum of its proper divisors (30258498269464).

40344340331012 is a wasteful number, since it uses less digits than its factorization.

40344340331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34717318 (or 34717316 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40344340331012 its reverse (21013304344304), we get a palindrome (61357644675316).

The spelling of 40344340331012 in words is "forty trillion, three hundred forty-four billion, three hundred forty million, three hundred thirty-one thousand, twelve".