43650732340 has 48 divisors (see below), whose sum is σ = 94812318720. Its totient is φ = 16863344640.

The previous prime is 43650732311. The next prime is 43650732347. The reversal of 43650732340 is 4323705634.

It is a self number, because there is not a number n which added to its sum of digits gives 43650732340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43650732347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241876 + ... + 381844.

It is an arithmetic number, because the mean of its divisors is an integer number (1975256640).

Almost surely, 2^43650732340 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 43650732340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47406159360).

43650732340 is an abundant number, since it is smaller than the sum of its proper divisors (51161586380).

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

43650732340 is a wasteful number, since it uses less digits than its factorization.

43650732340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140512 (or 140510 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 43650732340 in words is "forty-three billion, six hundred fifty million, seven hundred thirty-two thousand, three hundred forty".