490488081 has 8 divisors (see below), whose sum is σ = 654126144. Its totient is φ = 326921040.

The previous prime is 490488071. The next prime is 490488083. The reversal of 490488081 is 180884094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490488081 - 2⁷ = 490487953 is a prime.

It is a super-2 number, since 2×490488081² = 481157115206125122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490488083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 31346.

It is an arithmetic number, because the mean of its divisors is an integer number (81765768).

Almost surely, 2^490488081 is an apocalyptic number.

It is an amenable number.

490488081 is a deficient number, since it is larger than the sum of its proper divisors (163638063).

490488081 is a wasteful number, since it uses less digits than its factorization.

490488081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35511.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 490488081 is about 22146.9655032016. The cubic root of 490488081 is about 788.6351914424.

The spelling of 490488081 in words is "four hundred ninety million, four hundred eighty-eight thousand, eighty-one".