4218844078 has 8 divisors (see below), whose sum is σ = 6546482280. Its totient is φ = 2036683320.

The previous prime is 4218844067. The next prime is 4218844087. The reversal of 4218844078 is 8704488124.

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

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, 36369288 + ... + 36369403.

It is an arithmetic number, because the mean of its divisors is an integer number (818310285).

Almost surely, 2^4218844078 is an apocalyptic number.

4218844078 is a deficient number, since it is larger than the sum of its proper divisors (2327638202).

4218844078 is a wasteful number, since it uses less digits than its factorization.

4218844078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72738722.

The product of its (nonzero) digits is 458752, while the sum is 46.

The square root of 4218844078 is about 64952.6294925771. The cubic root of 4218844078 is about 1615.8380283921.

The spelling of 4218844078 in words is "four billion, two hundred eighteen million, eight hundred forty-four thousand, seventy-eight".