885255840 has 288 divisors, whose sum is σ = 3565126656. Its totient is φ = 195747840.

The previous prime is 885255823. The next prime is 885255881. The reversal of 885255840 is 48552588.

885255840 is a `hidden beast` number, since 8 + 8 + 52 + 558 + 40 = 666.

885255840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311064 + ... + 313896.

It is an arithmetic number, because the mean of its divisors is an integer number (12378912).

Almost surely, 2^885255840 is an apocalyptic number.

885255840 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 885255840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782563328).

885255840 is an abundant number, since it is smaller than the sum of its proper divisors (2679870816).

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

885255840 is a wasteful number, since it uses less digits than its factorization.

885255840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The square root of 885255840 is about 29753.2492343273. The cubic root of 885255840 is about 960.1879840205.

The spelling of 885255840 in words is "eight hundred eighty-five million, two hundred fifty-five thousand, eight hundred forty".