490253505 has 32 divisors (see below), whose sum is σ = 900422400. Its totient is φ = 223126272.

The previous prime is 490253503. The next prime is 490253513. The reversal of 490253505 is 505352094.

It is not a de Polignac number, because 490253505 - 2¹ = 490253503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490253501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13851 + ... + 34239.

It is an arithmetic number, because the mean of its divisors is an integer number (28138200).

Almost surely, 2^490253505 is an apocalyptic number.

It is an amenable number.

490253505 is a deficient number, since it is larger than the sum of its proper divisors (410168895).

490253505 is a wasteful number, since it uses less digits than its factorization.

490253505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20633.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 490253505 is about 22141.6689750344. The cubic root of 490253505 is about 788.5094497611.

The spelling of 490253505 in words is "four hundred ninety million, two hundred fifty-three thousand, five hundred five".