42718215902 has 8 divisors (see below), whose sum is σ = 64080980496. Its totient is φ = 21357889072.

The previous prime is 42718215901. The next prime is 42718215937. The reversal of 42718215902 is 20951281724.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42718215902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718215901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564983 + ... + 636114.

It is an arithmetic number, because the mean of its divisors is an integer number (8010122562).

Almost surely, 2^42718215902 is an apocalyptic number.

42718215902 is a deficient number, since it is larger than the sum of its proper divisors (21362764594).

42718215902 is a wasteful number, since it uses less digits than its factorization.

42718215902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218882.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 42718215902 in words is "forty-two billion, seven hundred eighteen million, two hundred fifteen thousand, nine hundred two".