43126712928 has 384 divisors, whose sum is σ = 144687513600. Its totient is φ = 12395980800.

The previous prime is 43126712891. The next prime is 43126712929. The reversal of 43126712928 is 82921762134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43126712929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10095433 + ... + 10099703.

It is an arithmetic number, because the mean of its divisors is an integer number (376790400).

Almost surely, 2^43126712928 is an apocalyptic number.

43126712928 is a gapful number since it is divisible by the number (48) 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 43126712928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72343756800).

43126712928 is an abundant number, since it is smaller than the sum of its proper divisors (101560800672).

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

43126712928 is a wasteful number, since it uses less digits than its factorization.

43126712928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4349 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 43126712928 in words is "forty-three billion, one hundred twenty-six million, seven hundred twelve thousand, nine hundred twenty-eight".