43113421144 has 16 divisors (see below), whose sum is σ = 80840039400. Its totient is φ = 21556077312.

The previous prime is 43113421103. The next prime is 43113421199. The reversal of 43113421144 is 44112431134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341992 + ... + 450760.

Almost surely, 2^43113421144 is an apocalyptic number.

It is an amenable number.

43113421144 is a deficient number, since it is larger than the sum of its proper divisors (37726618256).

43113421144 is a wasteful number, since it uses less digits than its factorization.

43113421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158322 (or 158318 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 43113421144 its reverse (44112431134), we get a palindrome (87225852278).

The spelling of 43113421144 in words is "forty-three billion, one hundred thirteen million, four hundred twenty-one thousand, one hundred forty-four".