4002020000240 has 20 divisors (see below), whose sum is σ = 9304696500744. Its totient is φ = 1600808000064.

The previous prime is 4002020000219. The next prime is 4002020000249. The reversal of 4002020000240 is 420000202004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002020000249) 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, 25012624922 + ... + 25012625081.

Almost surely, 2^{4002020000240} is an apocalyptic number.

4002020000240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4002020000240 is an abundant number, since it is smaller than the sum of its proper divisors (5302676500504).

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

4002020000240 is a wasteful number, since it uses less digits than its factorization.

4002020000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50025250016 (or 50025250010 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 4002020000240 its reverse (420000202004), we get a palindrome (4422020202244).

The spelling of 4002020000240 in words is "four trillion, two billion, twenty million, two hundred forty", and thus it is an aban number.