42718278957 has 16 divisors (see below), whose sum is σ = 57603985920. Its totient is φ = 28156520000.

The previous prime is 42718278913. The next prime is 42718278961. The reversal of 42718278957 is 75987281724.

It is a cyclic number.

It is not a de Polignac number, because 42718278957 - 2⁶ = 42718278893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42718278957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718278457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111844 + ... + 312962.

It is an arithmetic number, because the mean of its divisors is an integer number (3600249120).

Almost surely, 2^42718278957 is an apocalyptic number.

It is an amenable number.

42718278957 is a deficient number, since it is larger than the sum of its proper divisors (14885706963).

42718278957 is a wasteful number, since it uses less digits than its factorization.

42718278957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201924.

The product of its digits is 15805440, while the sum is 60.

The spelling of 42718278957 in words is "forty-two billion, seven hundred eighteen million, two hundred seventy-eight thousand, nine hundred fifty-seven".