494555626 has 4 divisors (see below), whose sum is σ = 741833442. Its totient is φ = 247277812.

The previous prime is 494555597. The next prime is 494555629. The reversal of 494555626 is 626555494.

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., 481846401 + 12709225 = 21951^2 + 3565^2 .

It is not an unprimeable number, because it can be changed into a prime (494555629) 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 as a sum of consecutive naturals, namely, 123638905 + ... + 123638908.

Almost surely, 2^494555626 is an apocalyptic number.

494555626 is a deficient number, since it is larger than the sum of its proper divisors (247277816).

494555626 is a wasteful number, since it uses less digits than its factorization.

494555626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247277815.

The product of its digits is 1296000, while the sum is 46.

The square root of 494555626 is about 22238.6066559935. The cubic root of 494555626 is about 790.8092044896.

The spelling of 494555626 in words is "four hundred ninety-four million, five hundred fifty-five thousand, six hundred twenty-six".