490040085 has 8 divisors (see below), whose sum is σ = 784064160. Its totient is φ = 261354704.

The previous prime is 490040071. The next prime is 490040107. The reversal of 490040085 is 580040094.

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

It is a cyclic number.

It is not a de Polignac number, because 490040085 - 2¹² = 490035989 is a prime.

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, 16334655 + ... + 16334684.

It is an arithmetic number, because the mean of its divisors is an integer number (98008020).

Almost surely, 2^490040085 is an apocalyptic number.

It is an amenable number.

490040085 is a deficient number, since it is larger than the sum of its proper divisors (294024075).

490040085 is a wasteful number, since it uses less digits than its factorization.

490040085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32669347.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 490040085 is about 22136.8490305192. The cubic root of 490040085 is about 788.3950136511.

Subtracting 490040085 from its reverse (580040094), we obtain a palindrome (90000009).

The spelling of 490040085 in words is "four hundred ninety million, forty thousand, eighty-five".