4218314478 has 64 divisors (see below), whose sum is σ = 9775890432. Its totient is φ = 1188534240.

The previous prime is 4218314447. The next prime is 4218314483. The reversal of 4218314478 is 8744138124.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3426123 + ... + 3427353.

It is an arithmetic number, because the mean of its divisors is an integer number (152748288).

Almost surely, 2^4218314478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4218314478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4887945216).

4218314478 is an abundant number, since it is smaller than the sum of its proper divisors (5557575954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218314478 is a wasteful number, since it uses less digits than its factorization.

4218314478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its digits is 172032, while the sum is 42.

The square root of 4218314478 is about 64948.5525473817. The cubic root of 4218314478 is about 1615.7704124279.

The spelling of 4218314478 in words is "four billion, two hundred eighteen million, three hundred fourteen thousand, four hundred seventy-eight".