2404012440 has 256 divisors, whose sum is σ = 7778073600. Its totient is φ = 593049600.

The previous prime is 2404012393. The next prime is 2404012451. The reversal of 2404012440 is 442104042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18351175 + ... + 18351305.

It is an arithmetic number, because the mean of its divisors is an integer number (30383100).

Almost surely, 2^2404012440 is an apocalyptic number.

2404012440 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 2404012440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3889036800).

2404012440 is an abundant number, since it is smaller than the sum of its proper divisors (5374061160).

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

2404012440 is a wasteful number, since it uses less digits than its factorization.

2404012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2404012440 is about 49030.7295479070. The cubic root of 2404012440 is about 1339.6116123973.

Adding to 2404012440 its reverse (442104042), we get a palindrome (2846116482).

The spelling of 2404012440 in words is "two billion, four hundred four million, twelve thousand, four hundred forty".