40065430247 has 8 divisors (see below), whose sum is σ = 40187402640. Its totient is φ = 39943610560.

The previous prime is 40065430243. The next prime is 40065430253. The reversal of 40065430247 is 74203456004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40065430247 - 2² = 40065430243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065430243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498779 + ... + 573507.

It is an arithmetic number, because the mean of its divisors is an integer number (5023425330).

Almost surely, 2^40065430247 is an apocalyptic number.

40065430247 is a deficient number, since it is larger than the sum of its proper divisors (121972393).

40065430247 is a wasteful number, since it uses less digits than its factorization.

40065430247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76353.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 40065430247 in words is "forty billion, sixty-five million, four hundred thirty thousand, two hundred forty-seven".