40165105563 has 48 divisors (see below), whose sum is σ = 64161377280. Its totient is φ = 24009566400.

The previous prime is 40165105553. The next prime is 40165105567. The reversal of 40165105563 is 36550156104.

40165105563 is a `hidden beast` number, since 40 + 1 + 6 + 51 + 0 + 5 + 563 = 666.

It is not a de Polignac number, because 40165105563 - 2¹⁴ = 40165089179 is a prime.

It is a super-2 number, since 2×40165105563² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40165105567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2398048 + ... + 2414738.

It is an arithmetic number, because the mean of its divisors is an integer number (1336695360).

Almost surely, 2^40165105563 is an apocalyptic number.

40165105563 is a deficient number, since it is larger than the sum of its proper divisors (23996271717).

40165105563 is a wasteful number, since it uses less digits than its factorization.

40165105563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040 (or 17037 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 40165105563 in words is "forty billion, one hundred sixty-five million, one hundred five thousand, five hundred sixty-three".