3640323432 has 16 divisors (see below), whose sum is σ = 9100808640. Its totient is φ = 1213441136.

The previous prime is 3640323377. The next prime is 3640323451. The reversal of 3640323432 is 2343230463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640323432.

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, 75840048 + ... + 75840095.

It is an arithmetic number, because the mean of its divisors is an integer number (568800540).

Almost surely, 2^3640323432 is an apocalyptic number.

It is an amenable number.

3640323432 is an abundant number, since it is smaller than the sum of its proper divisors (5460485208).

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

3640323432 is a wasteful number, since it uses less digits than its factorization.

3640323432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151680152 (or 151680148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

The square root of 3640323432 is about 60335.0928730536. The cubic root of 3640323432 is about 1538.3198959407.

Adding to 3640323432 its reverse (2343230463), we get a palindrome (5983553895).

The spelling of 3640323432 in words is "three billion, six hundred forty million, three hundred twenty-three thousand, four hundred thirty-two".