2005532404 has 6 divisors (see below), whose sum is σ = 3509681714. Its totient is φ = 1002766200.

The previous prime is 2005532377. The next prime is 2005532407. The reversal of 2005532404 is 4042355002.

It can be written as a sum of positive squares in only one way, i.e., 1701727504 + 303804900 = 41252^2 + 17430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005532407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250691547 + ... + 250691554.

Almost surely, 2^2005532404 is an apocalyptic number.

It is an amenable number.

2005532404 is a deficient number, since it is larger than the sum of its proper divisors (1504149310).

2005532404 is a wasteful number, since it uses less digits than its factorization.

2005532404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501383105 (or 501383103 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2005532404 is about 44783.1709908979. The cubic root of 2005532404 is about 1261.0817123856.

Adding to 2005532404 its reverse (4042355002), we get a palindrome (6047887406).

The spelling of 2005532404 in words is "two billion, five million, five hundred thirty-two thousand, four hundred four".