490504805 has 16 divisors (see below), whose sum is σ = 673089024. Its totient is φ = 336147840.

The previous prime is 490504793. The next prime is 490504873. The reversal of 490504805 is 508405094.

It is not a de Polignac number, because 490504805 - 2¹⁸ = 490242661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80465 + ... + 86345.

It is an arithmetic number, because the mean of its divisors is an integer number (42068064).

Almost surely, 2^490504805 is an apocalyptic number.

It is an amenable number.

490504805 is a deficient number, since it is larger than the sum of its proper divisors (182584219).

490504805 is a wasteful number, since it uses less digits than its factorization.

490504805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 490504805 is about 22147.3430686392. The cubic root of 490504805 is about 788.6441546130.

Adding to 490504805 its reverse (508405094), we get a palindrome (998909899).

The spelling of 490504805 in words is "four hundred ninety million, five hundred four thousand, eight hundred five".