42040792163 has 4 divisors (see below), whose sum is σ = 43018485048. Its totient is φ = 41063099280.

The previous prime is 42040792153. The next prime is 42040792177. The reversal of 42040792163 is 36129704024.

42040792163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42040792163 - 2⁴ = 42040792147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42040792153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488846378 + ... + 488846463.

It is an arithmetic number, because the mean of its divisors is an integer number (10754621262).

Almost surely, 2^42040792163 is an apocalyptic number.

42040792163 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42040792163 is a deficient number, since it is larger than the sum of its proper divisors (977692885).

42040792163 is an equidigital number, since it uses as much as digits as its factorization.

42040792163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977692884.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 42040792163 in words is "forty-two billion, forty million, seven hundred ninety-two thousand, one hundred sixty-three".