42718780342 has 8 divisors (see below), whose sum is σ = 73232194896. Its totient is φ = 18308048712.

The previous prime is 42718780261. The next prime is 42718780399. The reversal of 42718780342 is 24308781724.

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

It is a junction number, because it is equal to n+sod(n) for n = 42718780292 and 42718780301.

It is a congruent number.

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, 1525670713 + ... + 1525670740.

It is an arithmetic number, because the mean of its divisors is an integer number (9154024362).

Almost surely, 2^42718780342 is an apocalyptic number.

42718780342 is a deficient number, since it is larger than the sum of its proper divisors (30513414554).

42718780342 is a wasteful number, since it uses less digits than its factorization.

42718780342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051341462.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 42718780342 in words is "forty-two billion, seven hundred eighteen million, seven hundred eighty thousand, three hundred forty-two".