40343062547 has 4 divisors (see below), whose sum is σ = 40343710176. Its totient is φ = 40342414920.

The previous prime is 40343062537. The next prime is 40343062603. The reversal of 40343062547 is 74526034304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40343062547 - 2¹² = 40343058451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40343062547.

It is not an unprimeable number, because it can be changed into a prime (40343062537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219083 + ... + 358724.

It is an arithmetic number, because the mean of its divisors is an integer number (10085927544).

Almost surely, 2^40343062547 is an apocalyptic number.

40343062547 is a deficient number, since it is larger than the sum of its proper divisors (647629).

40343062547 is an equidigital number, since it uses as much as digits as its factorization.

40343062547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647628.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 40343062547 in words is "forty billion, three hundred forty-three million, sixty-two thousand, five hundred forty-seven".