43401234132 has 48 divisors (see below), whose sum is σ = 112564811520. Its totient is φ = 14461537536.

The previous prime is 43401234131. The next prime is 43401234179. The reversal of 43401234132 is 23143210434.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43401234096 and 43401234105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43401234131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211333 + ... + 362579.

It is an arithmetic number, because the mean of its divisors is an integer number (2345100240).

Almost surely, 2^43401234132 is an apocalyptic number.

It is an amenable number.

43401234132 is an abundant number, since it is smaller than the sum of its proper divisors (69163577388).

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

43401234132 is a wasteful number, since it uses less digits than its factorization.

43401234132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153917 (or 153909 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43401234132 its reverse (23143210434), we get a palindrome (66544444566).

The spelling of 43401234132 in words is "forty-three billion, four hundred one million, two hundred thirty-four thousand, one hundred thirty-two".