855273600 has 384 divisors, whose sum is σ = 3301128000. Its totient is φ = 215654400.

The previous prime is 855273599. The next prime is 855273613. The reversal of 855273600 is 6372558.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1641340 + ... + 1641860.

Almost surely, 2^855273600 is an apocalyptic number.

855273600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855273600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650564000).

855273600 is an abundant number, since it is smaller than the sum of its proper divisors (2445854400).

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

855273600 is a wasteful number, since it uses less digits than its factorization.

855273600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 855273600 is about 29245.0611214954. The cubic root of 855273600 is about 949.2232246855.

The spelling of 855273600 in words is "eight hundred fifty-five million, two hundred seventy-three thousand, six hundred".