40324304420 has 48 divisors (see below), whose sum is σ = 86791678848. Its totient is φ = 15728106240.

The previous prime is 40324304411. The next prime is 40324304437. The reversal of 40324304420 is 2440342304.

It is a self number, because there is not a number n which added to its sum of digits gives 40324304420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699559 + ... + 1723121.

It is an arithmetic number, because the mean of its divisors is an integer number (1808159976).

Almost surely, 2^40324304420 is an apocalyptic number.

It is an amenable number.

40324304420 is an abundant number, since it is smaller than the sum of its proper divisors (46467374428).

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

40324304420 is a wasteful number, since it uses less digits than its factorization.

40324304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700 (or 25698 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40324304420 its reverse (2440342304), we get a palindrome (42764646724).

The spelling of 40324304420 in words is "forty billion, three hundred twenty-four million, three hundred four thousand, four hundred twenty".