855628272 has 180 divisors, whose sum is σ = 2577152760. Its totient is φ = 274803840.

The previous prime is 855628271. The next prime is 855628283. The reversal of 855628272 is 272826558.

855628272 is a `hidden beast` number, since 8 + 5 + 562 + 82 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855628271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3736254 + ... + 3736482.

Almost surely, 2^855628272 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 855628272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288576380).

855628272 is an abundant number, since it is smaller than the sum of its proper divisors (1721524488).

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

855628272 is a wasteful number, since it uses less digits than its factorization.

855628272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 265 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 855628272 is about 29251.1242860851. The cubic root of 855628272 is about 949.3544171575.

The spelling of 855628272 in words is "eight hundred fifty-five million, six hundred twenty-eight thousand, two hundred seventy-two".