2008022840646 has 16 divisors (see below), whose sum is σ = 4016408567808. Its totient is φ = 669280465800.

The previous prime is 2008022840641. The next prime is 2008022840683. The reversal of 2008022840646 is 6460482208002.

It is a super-2 number, since 2×2008022840646² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2008022840598 and 2008022840607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008022840641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15048310 + ... + 15181161.

It is an arithmetic number, because the mean of its divisors is an integer number (251025535488).

Almost surely, 2^{2008022840646} is an apocalyptic number.

2008022840646 is an abundant number, since it is smaller than the sum of its proper divisors (2008385727162).

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

2008022840646 is a wasteful number, since it uses less digits than its factorization.

2008022840646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30240547.

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 2008022840646 in words is "two trillion, eight billion, twenty-two million, eight hundred forty thousand, six hundred forty-six".