42218545348 has 72 divisors (see below), whose sum is σ = 91782861632. Its totient is φ = 16633161216.

The previous prime is 42218545309. The next prime is 42218545349. The reversal of 42218545348 is 84354581224.

It is a super-2 number, since 2×42218545348² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42218545298 and 42218545307.

It is not an unprimeable number, because it can be changed into a prime (42218545349) 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 23 ways as a sum of consecutive naturals, for example, 287290 + ... + 408622.

Almost surely, 2^42218545348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42218545348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45891430816).

42218545348 is an abundant number, since it is smaller than the sum of its proper divisors (49564316284).

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

42218545348 is a wasteful number, since it uses less digits than its factorization.

42218545348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121421 (or 121402 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 46.

The spelling of 42218545348 in words is "forty-two billion, two hundred eighteen million, five hundred forty-five thousand, three hundred forty-eight".