5640432326 has 4 divisors (see below), whose sum is σ = 8460648492. Its totient is φ = 2820216162.

The previous prime is 5640432323. The next prime is 5640432341. The reversal of 5640432326 is 6232340465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640432323) 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 as a sum of consecutive naturals, namely, 1410108080 + ... + 1410108083.

It is an arithmetic number, because the mean of its divisors is an integer number (2115162123).

Almost surely, 2^5640432326 is an apocalyptic number.

5640432326 is a deficient number, since it is larger than the sum of its proper divisors (2820216166).

5640432326 is a wasteful number, since it uses less digits than its factorization.

5640432326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820216165.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 5640432326 is about 75102.8117050221. The cubic root of 5640432326 is about 1780.0715712080.

The spelling of 5640432326 in words is "five billion, six hundred forty million, four hundred thirty-two thousand, three hundred twenty-six".