655254800 has 120 divisors (see below), whose sum is σ = 1679497416. Its totient is φ = 244817920.

The previous prime is 655254799. The next prime is 655254823. The reversal of 655254800 is 8452556.

It can be written as a sum of positive squares in 12 ways, for example, as 94322944 + 560931856 = 9712^2 + 23684^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1176122 + ... + 1176678.

Almost surely, 2^655254800 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 655254800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839748708).

655254800 is an abundant number, since it is smaller than the sum of its proper divisors (1024242616).

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

655254800 is a wasteful number, since it uses less digits than its factorization.

655254800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 655254800 is about 25597.9452300375. The cubic root of 655254800 is about 868.5671574904.

The spelling of 655254800 in words is "six hundred fifty-five million, two hundred fifty-four thousand, eight hundred".