43211113140 has 144 divisors (see below), whose sum is σ = 131853391488. Its totient is φ = 10568443392.

The previous prime is 43211113097. The next prime is 43211113157. The reversal of 43211113140 is 4131111234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1578409 + ... + 1605551.

It is an arithmetic number, because the mean of its divisors is an integer number (915648552).

Almost surely, 2^43211113140 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 43211113140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65926695744).

43211113140 is an abundant number, since it is smaller than the sum of its proper divisors (88642278348).

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

43211113140 is a wasteful number, since it uses less digits than its factorization.

43211113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27338 (or 27323 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 43211113140 its reverse (4131111234), we get a palindrome (47342224374).

The spelling of 43211113140 in words is "forty-three billion, two hundred eleven million, one hundred thirteen thousand, one hundred forty".