42878330020318 has 64 divisors (see below), whose sum is σ = 69873482952000. Its totient is φ = 19616725877760.

The previous prime is 42878330020259. The next prime is 42878330020369. The reversal of 42878330020318 is 81302003387824.

It is a happy number.

It is a super-2 number, since 2×42878330020318² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6903608233 + ... + 6903614443.

It is an arithmetic number, because the mean of its divisors is an integer number (1091773171125).

Almost surely, 2^{42878330020318} is an apocalyptic number.

42878330020318 is a deficient number, since it is larger than the sum of its proper divisors (26995152931682).

42878330020318 is a wasteful number, since it uses less digits than its factorization.

42878330020318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 42878330020318 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred thirty million, twenty thousand, three hundred eighteen".