2124432404 has 24 divisors (see below), whose sum is σ = 4042843560. Its totient is φ = 972711936.

The previous prime is 2124432397. The next prime is 2124432407. The reversal of 2124432404 is 4042344212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1296144004 + 828288400 = 36002^2 + 28780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124432407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419669 + ... + 424700.

It is an arithmetic number, because the mean of its divisors is an integer number (168451815).

Almost surely, 2^2124432404 is an apocalyptic number.

It is an amenable number.

2124432404 is a deficient number, since it is larger than the sum of its proper divisors (1918411156).

2124432404 is a wasteful number, since it uses less digits than its factorization.

2124432404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844427 (or 844425 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2124432404 is about 46091.5654323001. The cubic root of 2124432404 is about 1285.5263185364.

Adding to 2124432404 its reverse (4042344212), we get a palindrome (6166776616).

The spelling of 2124432404 in words is "two billion, one hundred twenty-four million, four hundred thirty-two thousand, four hundred four".