605642256 has 120 divisors (see below), whose sum is σ = 1786224960. Its totient is φ = 191186688.

The previous prime is 605642251. The next prime is 605642263. The reversal of 605642256 is 652246506.

605642256 is a `hidden beast` number, since 6 + 0 + 5 + 642 + 2 + 5 + 6 = 666.

It is a super-3 number, since 3×605642256³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 605642256.

It is not an unprimeable number, because it can be changed into a prime (605642251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353530 + ... + 355238.

It is an arithmetic number, because the mean of its divisors is an integer number (14885208).

Almost surely, 2^605642256 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 605642256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893112480).

605642256 is an abundant number, since it is smaller than the sum of its proper divisors (1180582704).

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

605642256 is a wasteful number, since it uses less digits than its factorization.

605642256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 605642256 is about 24609.7999991873. The cubic root of 605642256 is about 846.0682338540.

The spelling of 605642256 in words is "six hundred five million, six hundred forty-two thousand, two hundred fifty-six".