490199026 has 4 divisors (see below), whose sum is σ = 735298542. Its totient is φ = 245099512.

The previous prime is 490198999. The next prime is 490199027. The reversal of 490199026 is 620991094.

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., 487305625 + 2893401 = 22075^2 + 1701^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 490199026.

It is not an unprimeable number, because it can be changed into a prime (490199027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122549755 + ... + 122549758.

Almost surely, 2^490199026 is an apocalyptic number.

490199026 is a deficient number, since it is larger than the sum of its proper divisors (245099516).

490199026 is a wasteful number, since it uses less digits than its factorization.

490199026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245099515.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 490199026 is about 22140.4387038740. The cubic root of 490199026 is about 788.4802412006.

The spelling of 490199026 in words is "four hundred ninety million, one hundred ninety-nine thousand, twenty-six".