1005544424 has 32 divisors (see below), whose sum is σ = 1997800200. Its totient is φ = 472842240.

The previous prime is 1005544417. The next prime is 1005544447. The reversal of 1005544424 is 4244455001.

It can be written as a sum of positive squares in 4 ways, for example, as 962116324 + 43428100 = 31018^2 + 6590^2 .

It is a super-2 number, since 2×1005544424² = 2022239177274983552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300392 + ... + 303720.

Almost surely, 2^1005544424 is an apocalyptic number.

It is an amenable number.

1005544424 is a deficient number, since it is larger than the sum of its proper divisors (992255776).

1005544424 is a wasteful number, since it uses less digits than its factorization.

1005544424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1005544424 is about 31710.3204651104. The cubic root of 1005544424 is about 1001.8447361891.

Adding to 1005544424 its reverse (4244455001), we get a palindrome (5249999425).

The spelling of 1005544424 in words is "one billion, five million, five hundred forty-four thousand, four hundred twenty-four".