654232320 has 648 divisors, whose sum is σ = 2817163440. Its totient is φ = 139345920.

The previous prime is 654232289. The next prime is 654232321. The reversal of 654232320 is 23232456.

654232320 is a `hidden beast` number, since 6 + 5 + 423 + 232 + 0 = 666.

654232320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (654232321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10725090 + ... + 10725150.

Almost surely, 2^654232320 is an apocalyptic number.

654232320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408581720).

654232320 is an abundant number, since it is smaller than the sum of its proper divisors (2162931120).

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

654232320 is a wasteful number, since it uses less digits than its factorization.

654232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 654232320 is about 25577.9655172181. The cubic root of 654232320 is about 868.1151425471.

Adding to 654232320 its reverse (23232456), we get a palindrome (677464776).

The spelling of 654232320 in words is "six hundred fifty-four million, two hundred thirty-two thousand, three hundred twenty".