2236885240 has 64 divisors (see below), whose sum is σ = 5275445760. Its totient is φ = 852001920.

The previous prime is 2236885229. The next prime is 2236885267. The reversal of 2236885240 is 425886322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2236885193 and 2236885202.

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 15 ways as a sum of consecutive naturals, for example, 203485 + ... + 214195.

It is an arithmetic number, because the mean of its divisors is an integer number (82428840).

Almost surely, 2^2236885240 is an apocalyptic number.

2236885240 is a gapful number since it is divisible by the number (20) 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 2236885240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637722880).

2236885240 is an abundant number, since it is smaller than the sum of its proper divisors (3038560520).

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

2236885240 is a wasteful number, since it uses less digits than its factorization.

2236885240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10968 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2236885240 is about 47295.7211595299. The cubic root of 2236885240 is about 1307.8197792765.

The spelling of 2236885240 in words is "two billion, two hundred thirty-six million, eight hundred eighty-five thousand, two hundred forty".