43668040000 has 280 divisors, whose sum is σ = 118199164160. Its totient is φ = 15904512000.

The previous prime is 43668039977. The next prime is 43668040021. The reversal of 43668040000 is 4086634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41079469 + ... + 41080531.

It is an arithmetic number, because the mean of its divisors is an integer number (422139872).

Almost surely, 2^43668040000 is an apocalyptic number.

43668040000 is a gapful number since it is divisible by the number (40) 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 43668040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59099582080).

43668040000 is an abundant number, since it is smaller than the sum of its proper divisors (74531124160).

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

43668040000 is a wasteful number, since it uses less digits than its factorization.

43668040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 43668040000 in words is "forty-three billion, six hundred sixty-eight million, forty thousand".