2005001382840 has 64 divisors (see below), whose sum is σ = 6074558681760. Its totient is φ = 529373299200.

The previous prime is 2005001382779. The next prime is 2005001382899. The reversal of 2005001382840 is 482831005002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82702459 + ... + 82726698.

Almost surely, 2^{2005001382840} is an apocalyptic number.

2005001382840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005001382840 is an abundant number, since it is smaller than the sum of its proper divisors (4069557298920).

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

2005001382840 is a wasteful number, since it uses less digits than its factorization.

2005001382840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165429272 (or 165429268 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 2005001382840 its reverse (482831005002), we get a palindrome (2487832387842).

The spelling of 2005001382840 in words is "two trillion, five billion, one million, three hundred eighty-two thousand, eight hundred forty".