32440343543212 has 24 divisors (see below), whose sum is σ = 61932118827600. Its totient is φ = 14745478824960.

The previous prime is 32440343543191. The next prime is 32440343543213. The reversal of 32440343543212 is 21234534304423.

It is a super-2 number, since 2×32440343543212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32440343543213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766164 + ... + 8246212.

It is an arithmetic number, because the mean of its divisors is an integer number (2580504951150).

Almost surely, 2^{32440343543212} is an apocalyptic number.

It is an amenable number.

32440343543212 is a deficient number, since it is larger than the sum of its proper divisors (29491775284388).

32440343543212 is a wasteful number, since it uses less digits than its factorization.

32440343543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593841 (or 6593839 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 32440343543212 its reverse (21234534304423), we get a palindrome (53674877847635).

The spelling of 32440343543212 in words is "thirty-two trillion, four hundred forty billion, three hundred forty-three million, five hundred forty-three thousand, two hundred twelve".