5645346432 has 64 divisors (see below), whose sum is σ = 16358686560. Its totient is φ = 1710709760.

The previous prime is 5645346407. The next prime is 5645346433. The reversal of 5645346432 is 2346435465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (5645346433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 664023 + ... + 672470.

Almost surely, 2^5645346432 is an apocalyptic number.

It is an amenable number.

5645346432 is an abundant number, since it is smaller than the sum of its proper divisors (10713340128).

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

5645346432 is a wasteful number, since it uses less digits than its factorization.

5645346432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336521 (or 1336509 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The square root of 5645346432 is about 75135.5204413998. The cubic root of 5645346432 is about 1780.5883709121.

The spelling of 5645346432 in words is "five billion, six hundred forty-five million, three hundred forty-six thousand, four hundred thirty-two".