522040450 has 12 divisors (see below), whose sum is σ = 970995330. Its totient is φ = 208816160.

The previous prime is 522040439. The next prime is 522040469. The reversal of 522040450 is 54040225.

It can be written as a sum of positive squares in 3 ways, for example, as 312688489 + 209351961 = 17683^2 + 14469^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5220355 + ... + 5220454.

Almost surely, 2^522040450 is an apocalyptic number.

522040450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

522040450 is a deficient number, since it is larger than the sum of its proper divisors (448954880).

522040450 is a wasteful number, since it uses less digits than its factorization.

522040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440821 (or 10440816 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 522040450 is about 22848.2045246448. The cubic root of 522040450 is about 805.1955853606.

Adding to 522040450 its reverse (54040225), we get a palindrome (576080675).

The spelling of 522040450 in words is "five hundred twenty-two million, forty thousand, four hundred fifty".