43168709472 has 48 divisors (see below), whose sum is σ = 129506130432. Its totient is φ = 12333916800.

The previous prime is 43168709471. The next prime is 43168709477. The reversal of 43168709472 is 27490786134.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43168709471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32118904 + ... + 32120247.

It is an arithmetic number, because the mean of its divisors is an integer number (2698044384).

Almost surely, 2^43168709472 is an apocalyptic number.

43168709472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43168709472 is an abundant number, since it is smaller than the sum of its proper divisors (86337420960).

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

43168709472 is a wasteful number, since it uses less digits than its factorization.

43168709472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64239171 (or 64239163 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 43168709472 in words is "forty-three billion, one hundred sixty-eight million, seven hundred nine thousand, four hundred seventy-two".