1000424450 has 24 divisors (see below), whose sum is σ = 1867732020. Its totient is φ = 398676800.

The previous prime is 1000424443. The next prime is 1000424501. The reversal of 1000424450 is 544240001.

It can be written as a sum of positive squares in 6 ways, for example, as 125507209 + 874917241 = 11203^2 + 29579^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23741 + ... + 50640.

Almost surely, 2^1000424450 is an apocalyptic number.

1000424450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000424450 is a deficient number, since it is larger than the sum of its proper divisors (867307570).

1000424450 is a wasteful number, since it uses less digits than its factorization.

1000424450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74662 (or 74657 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1000424450 is about 31629.4870334629. The cubic root of 1000424450 is about 1000.1414633205.

Adding to 1000424450 its reverse (544240001), we get a palindrome (1544664451).

The spelling of 1000424450 in words is "one billion, four hundred twenty-four thousand, four hundred fifty".