2236931940 has 192 divisors, whose sum is σ = 6831901440. Its totient is φ = 544942080.

The previous prime is 2236931911. The next prime is 2236931947. The reversal of 2236931940 is 491396322.

2236931940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2236931947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7634434 + ... + 7634726.

It is an arithmetic number, because the mean of its divisors is an integer number (35582820).

Almost surely, 2^2236931940 is an apocalyptic number.

2236931940 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 2236931940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415950720).

2236931940 is an abundant number, since it is smaller than the sum of its proper divisors (4594969500).

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

2236931940 is a wasteful number, since it uses less digits than its factorization.

2236931940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 2236931940 is about 47296.2148591195. The cubic root of 2236931940 is about 1307.8288804376.

The spelling of 2236931940 in words is "two billion, two hundred thirty-six million, nine hundred thirty-one thousand, nine hundred forty".