42455479338018 has 96 divisors (see below), whose sum is σ = 94915228262400. Its totient is φ = 13704947964288.

The previous prime is 42455479338017. The next prime is 42455479338037. The reversal of 42455479338018 is 81083397455424.

It is a happy number.

42455479338018 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 547 + 9 + 3 + 3 + 80 + 1 + 8 = 666.

42455479338018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42455479338017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326719263 + ... + 326849181.

It is an arithmetic number, because the mean of its divisors is an integer number (988700294400).

Almost surely, 2^{42455479338018} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42455479338018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47457614131200).

42455479338018 is an abundant number, since it is smaller than the sum of its proper divisors (52459748924382).

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

42455479338018 is a wasteful number, since it uses less digits than its factorization.

42455479338018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132256 (or 132253 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 42455479338018 in words is "forty-two trillion, four hundred fifty-five billion, four hundred seventy-nine million, three hundred thirty-eight thousand, eighteen".