40163506500444 has 12 divisors (see below), whose sum is σ = 93714848501064. Its totient is φ = 13387835500144.

The previous prime is 40163506500413. The next prime is 40163506500451. The reversal of 40163506500444 is 44400560536104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40163506500444² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40163506500396 and 40163506500405.

It is a congruent number.

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, 1673479437507 + ... + 1673479437530.

It is an arithmetic number, because the mean of its divisors is an integer number (7809570708422).

Almost surely, 2^{40163506500444} is an apocalyptic number.

It is an amenable number.

40163506500444 is an abundant number, since it is smaller than the sum of its proper divisors (53551342000620).

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

40163506500444 is a wasteful number, since it uses less digits than its factorization.

40163506500444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346958875044 (or 3346958875042 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 40163506500444 in words is "forty trillion, one hundred sixty-three billion, five hundred six million, five hundred thousand, four hundred forty-four".