42440616263 has 8 divisors (see below), whose sum is σ = 44938923120. Its totient is φ = 39942509440.

The previous prime is 42440616259. The next prime is 42440616343. The reversal of 42440616263 is 36261604424.

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 42440616263 - 2² = 42440616259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440616203) by changing a digit.

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, 792293 + ... + 844161.

It is an arithmetic number, because the mean of its divisors is an integer number (5617365390).

Almost surely, 2^42440616263 is an apocalyptic number.

42440616263 is a deficient number, since it is larger than the sum of its proper divisors (2498306857).

42440616263 is a wasteful number, since it uses less digits than its factorization.

42440616263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100017.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 42440616263 in words is "forty-two billion, four hundred forty million, six hundred sixteen thousand, two hundred sixty-three".