5218322142 has 96 divisors (see below), whose sum is σ = 12302202240. Its totient is φ = 1462750720.

The previous prime is 5218322117. The next prime is 5218322167. The reversal of 5218322142 is 2412238125.

It is an interprime number because it is at equal distance from previous prime (5218322117) and next prime (5218322167).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123048 + ... + 1127684.

It is an arithmetic number, because the mean of its divisors is an integer number (128147940).

Almost surely, 2^5218322142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218322142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6151101120).

5218322142 is an abundant number, since it is smaller than the sum of its proper divisors (7083880098).

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

5218322142 is a wasteful number, since it uses less digits than its factorization.

5218322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746 (or 4729 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 5218322142 is about 72237.9549959715. The cubic root of 5218322142 is about 1734.5106147138.

The spelling of 5218322142 in words is "five billion, two hundred eighteen million, three hundred twenty-two thousand, one hundred forty-two".