2404004240 has 40 divisors (see below), whose sum is σ = 6097431168. Its totient is φ = 874183040.

The previous prime is 2404004237. The next prime is 2404004257. The reversal of 2404004240 is 424004042.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365032 + ... + 1366791.

Almost surely, 2^2404004240 is an apocalyptic number.

2404004240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404004240 is an abundant number, since it is smaller than the sum of its proper divisors (3693426928).

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

2404004240 is a wasteful number, since it uses less digits than its factorization.

2404004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731847 (or 2731841 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2404004240 is about 49030.6459268079. The cubic root of 2404004240 is about 1339.6100892733.

Adding to 2404004240 its reverse (424004042), we get a palindrome (2828008282).

The spelling of 2404004240 in words is "two billion, four hundred four million, four thousand, two hundred forty".