40163368819 has 16 divisors (see below), whose sum is σ = 49731314688. Its totient is φ = 31647192192.

The previous prime is 40163368793. The next prime is 40163368939. The reversal of 40163368819 is 91886336104.

It is not a de Polignac number, because 40163368819 - 2⁷ = 40163368691 is a prime.

It is a super-2 number, since 2×40163368819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40163368019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3919387 + ... + 3929620.

It is an arithmetic number, because the mean of its divisors is an integer number (3108207168).

Almost surely, 2^40163368819 is an apocalyptic number.

40163368819 is a deficient number, since it is larger than the sum of its proper divisors (9567945869).

40163368819 is a wasteful number, since it uses less digits than its factorization.

40163368819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849074.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 40163368819 in words is "forty billion, one hundred sixty-three million, three hundred sixty-eight thousand, eight hundred nineteen".