490844026 has 8 divisors (see below), whose sum is σ = 779575860. Its totient is φ = 230985408.

The previous prime is 490844023. The next prime is 490844027. The reversal of 490844026 is 620448094.

It is a Cunningham number, because it is equal to 22155²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 490844025 + 1 = 22155^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (490844023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7218261 + ... + 7218328.

Almost surely, 2^490844026 is an apocalyptic number.

490844026 is a deficient number, since it is larger than the sum of its proper divisors (288731834).

490844026 is a wasteful number, since it uses less digits than its factorization.

490844026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436608.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 490844026 is about 22155.0000225683. Note that the first 4 decimals coincide. The cubic root of 490844026 is about 788.8259149876.

The spelling of 490844026 in words is "four hundred ninety million, eight hundred forty-four thousand, twenty-six".