40947163563 has 32 divisors (see below), whose sum is σ = 55504601152. Its totient is φ = 26848972800.

The previous prime is 40947163547. The next prime is 40947163567. The reversal of 40947163563 is 36536174904.

It is not a de Polignac number, because 40947163563 - 2⁴ = 40947163547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40947163567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20544495 + ... + 20546487.

It is an arithmetic number, because the mean of its divisors is an integer number (1734518786).

Almost surely, 2^40947163563 is an apocalyptic number.

40947163563 is a deficient number, since it is larger than the sum of its proper divisors (14557437589).

40947163563 is a wasteful number, since it uses less digits than its factorization.

40947163563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 40947163563 in words is "forty billion, nine hundred forty-seven million, one hundred sixty-three thousand, five hundred sixty-three".