2404023440 has 320 divisors, whose sum is σ = 7274534400. Its totient is φ = 718405632.

The previous prime is 2404023437. The next prime is 2404023443. The reversal of 2404023440 is 443204042.

It is an interprime number because it is at equal distance from previous prime (2404023437) and next prime (2404023443).

It is not an unprimeable number, because it can be changed into a prime (2404023443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12455984 + ... + 12456176.

It is an arithmetic number, because the mean of its divisors is an integer number (22732920).

Almost surely, 2^2404023440 is an apocalyptic number.

2404023440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404023440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3637267200).

2404023440 is an abundant number, since it is smaller than the sum of its proper divisors (4870510960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2404023440 is a wasteful number, since it uses less digits than its factorization.

2404023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2404023440 is about 49030.8417223282. The cubic root of 2404023440 is about 1339.6136556071.

Adding to 2404023440 its reverse (443204042), we get a palindrome (2847227482).

The spelling of 2404023440 in words is "two billion, four hundred four million, twenty-three thousand, four hundred forty".