43668378992 has 120 divisors (see below), whose sum is σ = 104356758240. Its totient is φ = 17589411840.

The previous prime is 43668378953. The next prime is 43668379033. The reversal of 43668378992 is 29987386634.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11740109 + ... + 11743827.

It is an arithmetic number, because the mean of its divisors is an integer number (869639652).

Almost surely, 2^43668378992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43668378992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52178379120).

43668378992 is an abundant number, since it is smaller than the sum of its proper divisors (60688379248).

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

43668378992 is a wasteful number, since it uses less digits than its factorization.

43668378992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4626 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 65.

The spelling of 43668378992 in words is "forty-three billion, six hundred sixty-eight million, three hundred seventy-eight thousand, nine hundred ninety-two".