40217386798 has 48 divisors (see below), whose sum is σ = 63291691008. Its totient is φ = 19163617200.

The previous prime is 40217386787. The next prime is 40217386817. The reversal of 40217386798 is 89768371204.

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 23 ways as a sum of consecutive naturals, for example, 44145963 + ... + 44146873.

It is an arithmetic number, because the mean of its divisors is an integer number (1318576896).

Almost surely, 2^40217386798 is an apocalyptic number.

40217386798 is a deficient number, since it is larger than the sum of its proper divisors (23074304210).

40217386798 is a wasteful number, since it uses less digits than its factorization.

40217386798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 40217386798 in words is "forty billion, two hundred seventeen million, three hundred eighty-six thousand, seven hundred ninety-eight".