43368682542640 has 640 divisors, whose sum is σ = 130377287319552. Its totient is φ = 13048511201280.

The previous prime is 43368682542593. The next prime is 43368682542641. The reversal of 43368682542640 is 4624528686334.

It is not an unprimeable number, because it can be changed into a prime (43368682542641) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4233977359 + ... + 4233987601.

Almost surely, 2^{43368682542640} is an apocalyptic number.

43368682542640 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 43368682542640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65188643659776).

43368682542640 is an abundant number, since it is smaller than the sum of its proper divisors (87008604776912).

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

43368682542640 is a wasteful number, since it uses less digits than its factorization.

43368682542640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637 (or 10631 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 61.

The spelling of 43368682542640 in words is "forty-three trillion, three hundred sixty-eight billion, six hundred eighty-two million, five hundred forty-two thousand, six hundred forty".