655350000 has 240 divisors, whose sum is σ = 2249293536. Its totient is φ = 163840000.

The previous prime is 655349969. The next prime is 655350001. The reversal of 655350000 is 53556.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655350001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2549872 + ... + 2550128.

Almost surely, 2^655350000 is an apocalyptic number.

655350000 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 655350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124646768).

655350000 is an abundant number, since it is smaller than the sum of its proper divisors (1593943536).

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

655350000 is a wasteful number, since it uses less digits than its factorization.

655350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 655350000 is about 25599.8046867549. The cubic root of 655350000 is about 868.6092192905.

The spelling of 655350000 in words is "six hundred fifty-five million, three hundred fifty thousand".