40321324243442 has 16 divisors (see below), whose sum is σ = 66271011099552. Its totient is φ = 18247135117920.

The previous prime is 40321324243433. The next prime is 40321324243489. The reversal of 40321324243442 is 24434242312304.

It is a junction number, because it is equal to n+sod(n) for n = 40321324243396 and 40321324243405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036971803 + ... + 4036981790.

It is an arithmetic number, because the mean of its divisors is an integer number (4141938193722).

Almost surely, 2^{40321324243442} is an apocalyptic number.

40321324243442 is a deficient number, since it is larger than the sum of its proper divisors (25949686856110).

40321324243442 is a wasteful number, since it uses less digits than its factorization.

40321324243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073953833.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 40321324243442 its reverse (24434242312304), we get a palindrome (64755566555746).

The spelling of 40321324243442 in words is "forty trillion, three hundred twenty-one billion, three hundred twenty-four million, two hundred forty-three thousand, four hundred forty-two".