2404212321 has 16 divisors (see below), whose sum is σ = 3683808128. Its totient is φ = 1366243200.

The previous prime is 2404212319. The next prime is 2404212373. The reversal of 2404212321 is 1232124042.

It is not a de Polignac number, because 2404212321 - 2¹ = 2404212319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2404212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312460 + ... + 320061.

It is an arithmetic number, because the mean of its divisors is an integer number (230238008).

Almost surely, 2^2404212321 is an apocalyptic number.

2404212321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2404212321 is a deficient number, since it is larger than the sum of its proper divisors (1279595807).

2404212321 is a wasteful number, since it uses less digits than its factorization.

2404212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632712.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2404212321 is about 49032.7678292792. The cubic root of 2404212321 is about 1339.6487385901.

Adding to 2404212321 its reverse (1232124042), we get a palindrome (3636336363).

It can be divided in two parts, 24042 and 12321, that added together give a palindrome (36363).

The spelling of 2404212321 in words is "two billion, four hundred four million, two hundred twelve thousand, three hundred twenty-one".