40163257353968 has 80 divisors (see below), whose sum is σ = 89092659222720. Its totient is φ = 17181932544000.

The previous prime is 40163257353929. The next prime is 40163257353983. The reversal of 40163257353968 is 86935375236104.

It is a super-2 number, since 2×40163257353968² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163257353968.

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 15 ways as a sum of consecutive naturals, for example, 163061948 + ... + 163308068.

It is an arithmetic number, because the mean of its divisors is an integer number (1113658240284).

It is a 2-persistent number, because it is pandigital, and so is 2⋅40163257353968 = 80326514707936, but 3⋅40163257353968 = 120489772061904 is not.

Almost surely, 2^{40163257353968} is an apocalyptic number.

It is an amenable number.

40163257353968 is an abundant number, since it is smaller than the sum of its proper divisors (48929401868752).

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

40163257353968 is a wasteful number, since it uses less digits than its factorization.

40163257353968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248746 (or 248740 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 62.

The spelling of 40163257353968 in words is "forty trillion, one hundred sixty-three billion, two hundred fifty-seven million, three hundred fifty-three thousand, nine hundred sixty-eight".