2002131026240 has 28 divisors (see below), whose sum is σ = 4767574506996. Its totient is φ = 800852410368.

The previous prime is 2002131026221. The next prime is 2002131026257. The reversal of 2002131026240 is 426201312002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1475972290816 + 526158735424 = 1214896^2 + 725368^2 .

It is a congruent number.

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, 3128329409 + ... + 3128330048.

It is an arithmetic number, because the mean of its divisors is an integer number (170270518107).

Almost surely, 2^{2002131026240} is an apocalyptic number.

2002131026240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002131026240 is an abundant number, since it is smaller than the sum of its proper divisors (2765443480756).

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

2002131026240 is an equidigital number, since it uses as much as digits as its factorization.

2002131026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256659474 (or 6256659464 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2002131026240 its reverse (426201312002), we get a palindrome (2428332338242).

The spelling of 2002131026240 in words is "two trillion, two billion, one hundred thirty-one million, twenty-six thousand, two hundred forty".