42454403345 has 8 divisors (see below), whose sum is σ = 51027857064. Its totient is φ = 33908473984.

The previous prime is 42454403323. The next prime is 42454403363. The reversal of 42454403345 is 54330445424.

It can be written as a sum of positive squares in 4 ways, for example, as 38588944 + 42415814401 = 6212^2 + 205951^2 .

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 42454403345 - 2²² = 42450209041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42454403299 and 42454403308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6877694 + ... + 6883863.

It is an arithmetic number, because the mean of its divisors is an integer number (6378482133).

Almost surely, 2^42454403345 is an apocalyptic number.

It is an amenable number.

42454403345 is a deficient number, since it is larger than the sum of its proper divisors (8573453719).

42454403345 is a wasteful number, since it uses less digits than its factorization.

42454403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762179.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 42454403345 its reverse (54330445424), we get a palindrome (96784848769).

The spelling of 42454403345 in words is "forty-two billion, four hundred fifty-four million, four hundred three thousand, three hundred forty-five".