4890490420 has 12 divisors (see below), whose sum is σ = 10270029924. Its totient is φ = 1956196160.

The previous prime is 4890490403. The next prime is 4890490433. The reversal of 4890490420 is 240940984.

It can be written as a sum of positive squares in 2 ways, for example, as 1247643684 + 3642846736 = 35322^2 + 60356^2 .

It is a super-2 number, since 2×4890490420² = 47833793096223552800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122262241 + ... + 122262280.

It is an arithmetic number, because the mean of its divisors is an integer number (855835827).

Almost surely, 2^4890490420 is an apocalyptic number.

It is an amenable number.

4890490420 is an abundant number, since it is smaller than the sum of its proper divisors (5379539504).

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

4890490420 is a wasteful number, since it uses less digits than its factorization.

4890490420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244524530 (or 244524528 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 4890490420 is about 69932.0414402440. The cubic root of 4890490420 is about 1697.3997641668.

The spelling of 4890490420 in words is "four billion, eight hundred ninety million, four hundred ninety thousand, four hundred twenty".