42265216518 has 32 divisors (see below), whose sum is σ = 98243608320. Its totient is φ = 11871101280.

The previous prime is 42265216517. The next prime is 42265216531. The reversal of 42265216518 is 81561256224.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 42265216518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42265216517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8525613 + ... + 8530568.

It is an arithmetic number, because the mean of its divisors is an integer number (3070112760).

Almost surely, 2^42265216518 is an apocalyptic number.

42265216518 is an abundant number, since it is smaller than the sum of its proper divisors (55978391802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42265216518 is a wasteful number, since it uses less digits than its factorization.

42265216518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056252.

The product of its digits is 230400, while the sum is 42.

The spelling of 42265216518 in words is "forty-two billion, two hundred sixty-five million, two hundred sixteen thousand, five hundred eighteen".