885642140 has 48 divisors (see below), whose sum is σ = 1965358080. Its totient is φ = 334551360.

The previous prime is 885642139. The next prime is 885642151. The reversal of 885642140 is 41246588.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 885642094 and 885642103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24155 + ... + 48525.

It is an arithmetic number, because the mean of its divisors is an integer number (40944960).

Almost surely, 2^885642140 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 885642140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982679040).

885642140 is an abundant number, since it is smaller than the sum of its proper divisors (1079715940).

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

885642140 is a wasteful number, since it uses less digits than its factorization.

885642140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482 (or 24480 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 885642140 is about 29759.7402542428. The cubic root of 885642140 is about 960.3276297822.

The spelling of 885642140 in words is "eight hundred eighty-five million, six hundred forty-two thousand, one hundred forty".