5081808990 has 16 divisors (see below), whose sum is σ = 12196341648. Its totient is φ = 1355149056.

The previous prime is 5081808983. The next prime is 5081809021. The reversal of 5081808990 is 998081805.

It is a super-2 number, since 2×5081808990² = 51649565221689640200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84696787 + ... + 84696846.

It is an arithmetic number, because the mean of its divisors is an integer number (762271353).

Almost surely, 2^5081808990 is an apocalyptic number.

5081808990 is an abundant number, since it is smaller than the sum of its proper divisors (7114532658).

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

5081808990 is a wasteful number, since it uses less digits than its factorization.

5081808990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169393643.

The product of its (nonzero) digits is 207360, while the sum is 48.

The square root of 5081808990 is about 71286.8079661307. The cubic root of 5081808990 is about 1719.2516338281.

The spelling of 5081808990 in words is "five billion, eighty-one million, eight hundred eight thousand, nine hundred ninety".