10885140 has 144 divisors (see below), whose sum is σ = 38683008. Its totient is φ = 2426112.

The previous prime is 10885139. The next prime is 10885163. The reversal of 10885140 is 4158801.

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, 66699 + ... + 66861.

It is an arithmetic number, because the mean of its divisors is an integer number (268632).

Almost surely, 2^10885140 is an apocalyptic number.

10885140 is a gapful number since it is divisible by the number (10) 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 10885140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19341504).

10885140 is an abundant number, since it is smaller than the sum of its proper divisors (27797868).

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

10885140 is a wasteful number, since it uses less digits than its factorization.

10885140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 10885140 is about 3299.2635541890. The cubic root of 10885140 is about 221.6212191926.

It can be divided in two parts, 10885 and 140, that added together give a square (11025 = 105²).

The spelling of 10885140 in words is "ten million, eight hundred eighty-five thousand, one hundred forty".