43404142340 has 96 divisors (see below), whose sum is σ = 99991027584. Its totient is φ = 15728993280.

The previous prime is 43404142319. The next prime is 43404142349. The reversal of 43404142340 is 4324140434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43404142349) 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, 4890587 + ... + 4899453.

It is an arithmetic number, because the mean of its divisors is an integer number (1041573204).

Almost surely, 2^43404142340 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 43404142340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49995513792).

43404142340 is an abundant number, since it is smaller than the sum of its proper divisors (56586885244).

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

43404142340 is a wasteful number, since it uses less digits than its factorization.

43404142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237 (or 9235 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43404142340 its reverse (4324140434), we get a palindrome (47728282774).

The spelling of 43404142340 in words is "forty-three billion, four hundred four million, one hundred forty-two thousand, three hundred forty".