43400132340 has 48 divisors (see below), whose sum is σ = 121552099200. Its totient is φ = 11570346880.

The previous prime is 43400132311. The next prime is 43400132357. The reversal of 43400132340 is 4323100434.

It is a self number, because there is not a number n which added to its sum of digits gives 43400132340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142186 + ... + 327134.

It is an arithmetic number, because the mean of its divisors is an integer number (2532335400).

Almost surely, 2^43400132340 is an apocalyptic number.

It is an amenable number.

43400132340 is an abundant number, since it is smaller than the sum of its proper divisors (78151966860).

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

43400132340 is a wasteful number, since it uses less digits than its factorization.

43400132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188872 (or 188870 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43400132340 its reverse (4323100434), we get a palindrome (47723232774).

The spelling of 43400132340 in words is "forty-three billion, four hundred million, one hundred thirty-two thousand, three hundred forty".