40678599718386 has 96 divisors (see below), whose sum is σ = 101658941978880. Its totient is φ = 11515050626688.

The previous prime is 40678599718331. The next prime is 40678599718387. The reversal of 40678599718386 is 68381799587604.

40678599718386 is a `hidden beast` number, since 4 + 0 + 6 + 7 + 8 + 599 + 7 + 18 + 3 + 8 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (40678599718387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220846800 + ... + 221030916.

It is an arithmetic number, because the mean of its divisors is an integer number (1058947312280).

Almost surely, 2^{40678599718386} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40678599718386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50829470989440).

40678599718386 is an abundant number, since it is smaller than the sum of its proper divisors (60980342260494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40678599718386 is a wasteful number, since it uses less digits than its factorization.

40678599718386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200328 (or 200325 counting only the distinct ones).

The product of its (nonzero) digits is 4389396480, while the sum is 81.

The spelling of 40678599718386 in words is "forty trillion, six hundred seventy-eight billion, five hundred ninety-nine million, seven hundred eighteen thousand, three hundred eighty-six".