43113440000 has 180 divisors, whose sum is σ = 107955711864. Its totient is φ = 17178624000.

The previous prime is 43113439939. The next prime is 43113440017. The reversal of 43113440000 is 4431134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74719712 + ... + 74720288.

Almost surely, 2^43113440000 is an apocalyptic number.

43113440000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43113440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53977855932).

43113440000 is an abundant number, since it is smaller than the sum of its proper divisors (64842271864).

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

43113440000 is an frugal number, since it uses more digits than its factorization.

43113440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43113440000 its reverse (4431134), we get a palindrome (43117871134).

The spelling of 43113440000 in words is "forty-three billion, one hundred thirteen million, four hundred forty thousand".