4188732340 has 96 divisors (see below), whose sum is σ = 10263939840. Its totient is φ = 1421715456.

The previous prime is 4188732287. The next prime is 4188732341. The reversal of 4188732340 is 432378814.

It is a junction number, because it is equal to n+sod(n) for n = 4188732293 and 4188732302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4188732341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179041 + ... + 201079.

It is an arithmetic number, because the mean of its divisors is an integer number (106916040).

Almost surely, 2^4188732340 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 4188732340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5131969920).

4188732340 is an abundant number, since it is smaller than the sum of its proper divisors (6075207500).

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

4188732340 is a wasteful number, since it uses less digits than its factorization.

4188732340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22121 (or 22119 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 4188732340 is about 64720.4167168290. The cubic root of 4188732340 is about 1611.9845311891.

The spelling of 4188732340 in words is "four billion, one hundred eighty-eight million, seven hundred thirty-two thousand, three hundred forty".