2236817040 has 80 divisors (see below), whose sum is σ = 6964584000. Its totient is φ = 593865216.

The previous prime is 2236817029. The next prime is 2236817053. The reversal of 2236817040 is 407186322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2236816992 and 2236817010.

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, 34611 + ... + 75309.

It is an arithmetic number, because the mean of its divisors is an integer number (87057300).

Almost surely, 2^2236817040 is an apocalyptic number.

2236817040 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 2236817040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3482292000).

2236817040 is an abundant number, since it is smaller than the sum of its proper divisors (4727766960).

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

2236817040 is a wasteful number, since it uses less digits than its factorization.

2236817040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40944 (or 40938 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2236817040 is about 47295.0001585791. Note that the first 3 decimals coincide. The cubic root of 2236817040 is about 1307.8064878458.

The spelling of 2236817040 in words is "two billion, two hundred thirty-six million, eight hundred seventeen thousand, forty".