2404420240 has 20 divisors (see below), whose sum is σ = 5590277244. Its totient is φ = 961768064.

The previous prime is 2404420231. The next prime is 2404420267. The reversal of 2404420240 is 420244042.

It can be written as a sum of positive squares in 2 ways, for example, as 1088472064 + 1315948176 = 32992^2 + 36276^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15027547 + ... + 15027706.

Almost surely, 2^2404420240 is an apocalyptic number.

2404420240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404420240 is an abundant number, since it is smaller than the sum of its proper divisors (3185857004).

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

2404420240 is a wasteful number, since it uses less digits than its factorization.

2404420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055266 (or 30055260 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2404420240 is about 49034.8879880438. The cubic root of 2404420240 is about 1339.6873555895.

Adding to 2404420240 its reverse (420244042), we get a palindrome (2824664282).

The spelling of 2404420240 in words is "two billion, four hundred four million, four hundred twenty thousand, two hundred forty".