611788256 has 48 divisors (see below), whose sum is σ = 1239960960. Its totient is φ = 297010560.

The previous prime is 611788241. The next prime is 611788271. The reversal of 611788256 is 652887116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611788241) and next prime (611788271).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150215 + ... + 154233.

It is an arithmetic number, because the mean of its divisors is an integer number (25832520).

Almost surely, 2^611788256 is an apocalyptic number.

It is an amenable number.

611788256 is an abundant number, since it is smaller than the sum of its proper divisors (628172704).

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

611788256 is a wasteful number, since it uses less digits than its factorization.

611788256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4159 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 611788256 is about 24734.3537615196. The cubic root of 611788256 is about 848.9205471514.

The spelling of 611788256 in words is "six hundred eleven million, seven hundred eighty-eight thousand, two hundred fifty-six".