855330520 has 128 divisors (see below), whose sum is σ = 2277979200. Its totient is φ = 285491200.

The previous prime is 855330499. The next prime is 855330563. The reversal of 855330520 is 25033558.

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, 305286 + ... + 308074.

Almost surely, 2^855330520 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 855330520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138989600).

855330520 is an abundant number, since it is smaller than the sum of its proper divisors (1422648680).

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

855330520 is a wasteful number, since it uses less digits than its factorization.

855330520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 855330520 is about 29246.0342610755. The cubic root of 855330520 is about 949.2442817240.

The spelling of 855330520 in words is "eight hundred fifty-five million, three hundred thirty thousand, five hundred twenty".