42878275251218 has 8 divisors (see below), whose sum is σ = 70164450411120. Its totient is φ = 19490125114180.

The previous prime is 42878275251197. The next prime is 42878275251257. The reversal of 42878275251218 is 81215257287824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974506255688 + ... + 974506255731.

It is an arithmetic number, because the mean of its divisors is an integer number (8770556301390).

Almost surely, 2^{42878275251218} is an apocalyptic number.

42878275251218 is a deficient number, since it is larger than the sum of its proper divisors (27286175159902).

42878275251218 is a wasteful number, since it uses less digits than its factorization.

42878275251218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949012511432.

The product of its digits is 40140800, while the sum is 62.

The spelling of 42878275251218 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-five million, two hundred fifty-one thousand, two hundred eighteen".