40368768218 has 8 divisors (see below), whose sum is σ = 60561859680. Its totient is φ = 20181481660.

The previous prime is 40368768173. The next prime is 40368768221. The reversal of 40368768218 is 81286786304.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40368768218.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433798 + ... + 1461681.

It is an arithmetic number, because the mean of its divisors is an integer number (7570232460).

Almost surely, 2^40368768218 is an apocalyptic number.

40368768218 is a deficient number, since it is larger than the sum of its proper divisors (20193091462).

40368768218 is a wasteful number, since it uses less digits than its factorization.

40368768218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902452.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 40368768218 in words is "forty billion, three hundred sixty-eight million, seven hundred sixty-eight thousand, two hundred eighteen".