5018785920 has 448 divisors, whose sum is σ = 18622621440. Its totient is φ = 1291438080.

The previous prime is 5018785901. The next prime is 5018785921. The reversal of 5018785920 is 295878105.

It is a happy number.

5018785920 is a `hidden beast` number, since 50 + 1 + 8 + 7 + 8 + 592 + 0 = 666.

It is a super-2 number, since 2×5018785920² = 50376424221580492800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (5018785921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 14463187 + ... + 14463533.

Almost surely, 2^5018785920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5018785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9311310720).

5018785920 is an abundant number, since it is smaller than the sum of its proper divisors (13603835520).

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

5018785920 is an equidigital number, since it uses as much as digits as its factorization.

5018785920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 5018785920 is about 70843.3900939248. The cubic root of 5018785920 is about 1712.1148349326.

The spelling of 5018785920 in words is "five billion, eighteen million, seven hundred eighty-five thousand, nine hundred twenty".