43453412340 has 96 divisors (see below), whose sum is σ = 131195030400. Its totient is φ = 10682651136.

The previous prime is 43453412329. The next prime is 43453412347. The reversal of 43453412340 is 4321435434.

43453412340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43453412347) 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, 586711 + ... + 656609.

It is an arithmetic number, because the mean of its divisors is an integer number (1366614900).

Almost surely, 2^43453412340 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 43453412340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65597515200).

43453412340 is an abundant number, since it is smaller than the sum of its proper divisors (87741618060).

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

43453412340 is a wasteful number, since it uses less digits than its factorization.

43453412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70721 (or 70719 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 43453412340 its reverse (4321435434), we get a palindrome (47774847774).

The spelling of 43453412340 in words is "forty-three billion, four hundred fifty-three million, four hundred twelve thousand, three hundred forty".