655340000 has 240 divisors, whose sum is σ = 1914587136. Its totient is φ = 216000000.

The previous prime is 655339991. The next prime is 655340009. The reversal of 655340000 is 43556.

655340000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655339991) and next prime (655340009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655340009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4339925 + ... + 4340075.

Almost surely, 2^655340000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957293568).

655340000 is an abundant number, since it is smaller than the sum of its proper divisors (1259247136).

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

655340000 is a wasteful number, since it uses less digits than its factorization.

655340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 655340000 is about 25599.6093720197. The cubic root of 655340000 is about 868.6048012256.

Adding to 655340000 its reverse (43556), we get a palindrome (655383556).

The spelling of 655340000 in words is "six hundred fifty-five million, three hundred forty thousand".