40463216565 has 8 divisors (see below), whose sum is σ = 64741146528. Its totient is φ = 21580382160.

The previous prime is 40463216543. The next prime is 40463216567. The reversal of 40463216565 is 56561236404.

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

It is not a de Polignac number, because 40463216565 - 2⁵ = 40463216533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40463216567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348773871 + ... + 1348773900.

It is an arithmetic number, because the mean of its divisors is an integer number (8092643316).

Almost surely, 2^40463216565 is an apocalyptic number.

It is an amenable number.

40463216565 is a deficient number, since it is larger than the sum of its proper divisors (24277929963).

40463216565 is a wasteful number, since it uses less digits than its factorization.

40463216565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697547779.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 40463216565 in words is "forty billion, four hundred sixty-three million, two hundred sixteen thousand, five hundred sixty-five".