490422402 has 24 divisors (see below), whose sum is σ = 1088500140. Its totient is φ = 159486720.

The previous prime is 490422343. The next prime is 490422421. The reversal of 490422402 is 204224094.

It can be written as a sum of positive squares in 2 ways, for example, as 382241601 + 108180801 = 19551^2 + 10401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331527 + ... + 333002.

Almost surely, 2^490422402 is an apocalyptic number.

490422402 is an abundant number, since it is smaller than the sum of its proper divisors (598077738).

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

490422402 is a wasteful number, since it uses less digits than its factorization.

490422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664578 (or 664575 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 490422402 is about 22145.4826544828. The cubic root of 490422402 is about 788.5999890356.

Adding to 490422402 its reverse (204224094), we get a palindrome (694646496).

The spelling of 490422402 in words is "four hundred ninety million, four hundred twenty-two thousand, four hundred two".