40704216565 has 8 divisors (see below), whose sum is σ = 48882902688. Its totient is φ = 32538144720.

The previous prime is 40704216523. The next prime is 40704216571. The reversal of 40704216565 is 56561240704.

It is a happy number.

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

It is not a de Polignac number, because 40704216565 - 2¹¹ = 40704214517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3146467 + ... + 3159376.

It is an arithmetic number, because the mean of its divisors is an integer number (6110362836).

Almost surely, 2^40704216565 is an apocalyptic number.

It is an amenable number.

40704216565 is a deficient number, since it is larger than the sum of its proper divisors (8178686123).

40704216565 is a wasteful number, since it uses less digits than its factorization.

40704216565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307139.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 40704216565 in words is "forty billion, seven hundred four million, two hundred sixteen thousand, five hundred sixty-five".