2404002020240 has 20 divisors (see below), whose sum is σ = 5589304697244. Its totient is φ = 961600808064.

The previous prime is 2404002020239. The next prime is 2404002020249. The reversal of 2404002020240 is 420202004042.

It can be written as a sum of positive squares in 2 ways, for example, as 710089358224 + 1693912662016 = 842668^2 + 1301504^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (2404002020249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15025012547 + ... + 15025012706.

Almost surely, 2^{2404002020240} is an apocalyptic number.

2404002020240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404002020240 is an abundant number, since it is smaller than the sum of its proper divisors (3185302677004).

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

2404002020240 is a wasteful number, since it uses less digits than its factorization.

2404002020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050025266 (or 30050025260 counting only the distinct ones).

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

Adding to 2404002020240 its reverse (420202004042), we get a palindrome (2824204024282).

The spelling of 2404002020240 in words is "two trillion, four hundred four billion, two million, twenty thousand, two hundred forty".