40324444212 has 48 divisors (see below), whose sum is σ = 101449192320. Its totient is φ = 12392692608.

The previous prime is 40324444201. The next prime is 40324444217. The reversal of 40324444212 is 21244442304.

It is a self number, because there is not a number n which added to its sum of digits gives 40324444212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324444217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23163 + ... + 284930.

It is an arithmetic number, because the mean of its divisors is an integer number (2113524840).

Almost surely, 2^40324444212 is an apocalyptic number.

It is an amenable number.

40324444212 is an abundant number, since it is smaller than the sum of its proper divisors (61124748108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40324444212 is a wasteful number, since it uses less digits than its factorization.

40324444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308952 (or 308950 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40324444212 its reverse (21244442304), we get a palindrome (61568886516).

The spelling of 40324444212 in words is "forty billion, three hundred twenty-four million, four hundred forty-four thousand, two hundred twelve".