655484256 has 144 divisors (see below), whose sum is σ = 2137812768. Its totient is φ = 186624000.

The previous prime is 655484239. The next prime is 655484273. The reversal of 655484256 is 652484556.

655484256 is a `hidden beast` number, since 6 + 554 + 8 + 42 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (655484239) and next prime (655484273).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1090356 + ... + 1090956.

It is an arithmetic number, because the mean of its divisors is an integer number (14845922).

Almost surely, 2^655484256 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 655484256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068906384).

655484256 is an abundant number, since it is smaller than the sum of its proper divisors (1482328512).

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

655484256 is a wasteful number, since it uses less digits than its factorization.

655484256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1154 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 655484256 is about 25602.4267599773. The cubic root of 655484256 is about 868.6685301101.

The spelling of 655484256 in words is "six hundred fifty-five million, four hundred eighty-four thousand, two hundred fifty-six".