605840256 has 256 divisors, whose sum is σ = 2075904000. Its totient is φ = 170366976.

The previous prime is 605840219. The next prime is 605840267. The reversal of 605840256 is 652048506.

605840256 is a `hidden beast` number, since 605 + 8 + 40 + 2 + 5 + 6 = 666.

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 605840256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1911010 + ... + 1911326.

It is an arithmetic number, because the mean of its divisors is an integer number (8109000).

Almost surely, 2^605840256 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 605840256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037952000).

605840256 is an abundant number, since it is smaller than the sum of its proper divisors (1470063744).

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

605840256 is a wasteful number, since it uses less digits than its factorization.

605840256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 605840256 is about 24613.8224581230. The cubic root of 605840256 is about 846.1604242828.

The spelling of 605840256 in words is "six hundred five million, eight hundred forty thousand, two hundred fifty-six".