42404020563 has 8 divisors (see below), whose sum is σ = 56720491776. Its totient is φ = 28178448200.

The previous prime is 42404020553. The next prime is 42404020643. The reversal of 42404020563 is 36502040424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42404020563 - 2⁵ = 42404020531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42404020563.

It is not an unprimeable number, because it can be changed into a prime (42404020553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22723623 + ... + 22725488.

It is an arithmetic number, because the mean of its divisors is an integer number (7090061472).

Almost surely, 2^42404020563 is an apocalyptic number.

42404020563 is a deficient number, since it is larger than the sum of its proper divisors (14316471213).

42404020563 is a wasteful number, since it uses less digits than its factorization.

42404020563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45449425.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42404020563 its reverse (36502040424), we get a palindrome (78906060987).

The spelling of 42404020563 in words is "forty-two billion, four hundred four million, twenty thousand, five hundred sixty-three".