5640620232 has 32 divisors (see below), whose sum is σ = 15186286080. Its totient is φ = 1735575360.

The previous prime is 5640620189. The next prime is 5640620233. The reversal of 5640620232 is 2320260465.

It is a self number, because there is not a number n which added to its sum of digits gives 5640620232.

It is not an unprimeable number, because it can be changed into a prime (5640620233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9039144 + ... + 9039767.

It is an arithmetic number, because the mean of its divisors is an integer number (474571440).

Almost surely, 2^5640620232 is an apocalyptic number.

5640620232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5640620232 is an abundant number, since it is smaller than the sum of its proper divisors (9545665848).

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

5640620232 is a wasteful number, since it uses less digits than its factorization.

5640620232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18078933 (or 18078929 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 5640620232 is about 75104.0626863820. The cubic root of 5640620232 is about 1780.0913381569.

Adding to 5640620232 its reverse (2320260465), we get a palindrome (7960880697).

The spelling of 5640620232 in words is "five billion, six hundred forty million, six hundred twenty thousand, two hundred thirty-two".