5218358490 has 48 divisors (see below), whose sum is σ = 13590750888. Its totient is φ = 1389201408.

The previous prime is 5218358423. The next prime is 5218358501. The reversal of 5218358490 is 948538125.

5218358490 is a `hidden beast` number, since 52 + 18 + 3 + 584 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3860509689 + 1357848801 = 62133^2 + 36849^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 4482 + ... + 102258.

Almost surely, 2^5218358490 is an apocalyptic number.

5218358490 is an abundant number, since it is smaller than the sum of its proper divisors (8372392398).

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

5218358490 is a wasteful number, since it uses less digits than its factorization.

5218358490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98383 (or 98380 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 5218358490 is about 72238.2065807285. The cubic root of 5218358490 is about 1734.5146419243.

The spelling of 5218358490 in words is "five billion, two hundred eighteen million, three hundred fifty-eight thousand, four hundred ninety".