43112143404 has 144 divisors (see below), whose sum is σ = 125615992320. Its totient is φ = 12817621440.

The previous prime is 43112143387. The next prime is 43112143423. The reversal of 43112143404 is 40434121134.

43112143404 is a `hidden beast` number, since 4 + 3 + 112 + 143 + 404 = 666.

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

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, 528637 + ... + 604715.

It is an arithmetic number, because the mean of its divisors is an integer number (872333280).

Almost surely, 2^43112143404 is an apocalyptic number.

43112143404 is a gapful number since it is divisible by the number (44) 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 43112143404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62807996160).

43112143404 is an abundant number, since it is smaller than the sum of its proper divisors (82503848916).

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

43112143404 is a wasteful number, since it uses less digits than its factorization.

43112143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76162 (or 76148 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 43112143404 its reverse (40434121134), we get a palindrome (83546264538).

The spelling of 43112143404 in words is "forty-three billion, one hundred twelve million, one hundred forty-three thousand, four hundred four".