490648826 has 4 divisors (see below), whose sum is σ = 735973242. Its totient is φ = 245324412.

The previous prime is 490648819. The next prime is 490648853. The reversal of 490648826 is 628846094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 455779801 + 34869025 = 21349^2 + 5905^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122662205 + ... + 122662208.

Almost surely, 2^490648826 is an apocalyptic number.

490648826 is a deficient number, since it is larger than the sum of its proper divisors (245324416).

490648826 is a wasteful number, since it uses less digits than its factorization.

490648826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245324415.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 490648826 is about 22150.5942583941. The cubic root of 490648826 is about 788.7213337449.

The spelling of 490648826 in words is "four hundred ninety million, six hundred forty-eight thousand, eight hundred twenty-six".