42504556245 has 32 divisors (see below), whose sum is σ = 68228697600. Its totient is φ = 22595394624.

The previous prime is 42504556243. The next prime is 42504556249. The reversal of 42504556245 is 54265540524.

It is a happy number.

It is not a de Polignac number, because 42504556245 - 2¹ = 42504556243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42504556197 and 42504556206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504556243) 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 31 ways as a sum of consecutive naturals, for example, 9921874 + ... + 9926156.

It is an arithmetic number, because the mean of its divisors is an integer number (2132146800).

Almost surely, 2^42504556245 is an apocalyptic number.

It is an amenable number.

42504556245 is a deficient number, since it is larger than the sum of its proper divisors (25724141355).

42504556245 is a wasteful number, since it uses less digits than its factorization.

42504556245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 42504556245 in words is "forty-two billion, five hundred four million, five hundred fifty-six thousand, two hundred forty-five".