5018855478 has 96 divisors (see below), whose sum is σ = 13008612960. Its totient is φ = 1277982720.

The previous prime is 5018855477. The next prime is 5018855561. The reversal of 5018855478 is 8745588105.

It is a self number, because there is not a number n which added to its sum of digits gives 5018855478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018855477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88198 + ... + 133478.

It is an arithmetic number, because the mean of its divisors is an integer number (135506385).

Almost surely, 2^5018855478 is an apocalyptic number.

5018855478 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5018855478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6504306480).

5018855478 is an abundant number, since it is smaller than the sum of its proper divisors (7989757482).

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

5018855478 is a wasteful number, since it uses less digits than its factorization.

5018855478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45342 (or 45335 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 51.

The square root of 5018855478 is about 70843.8810201700. The cubic root of 5018855478 is about 1712.1227445967.

The spelling of 5018855478 in words is "five billion, eighteen million, eight hundred fifty-five thousand, four hundred seventy-eight".