2668490032208 has 320 divisors, whose sum is σ = 7102297423872. Its totient is φ = 937583216640.

The previous prime is 2668490032171. The next prime is 2668490032277. The reversal of 2668490032208 is 8022300948662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 461434085 + ... + 461439867.

Almost surely, 2^{2668490032208} is an apocalyptic number.

2668490032208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668490032208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3551148711936).

2668490032208 is an abundant number, since it is smaller than the sum of its proper divisors (4433807391664).

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

2668490032208 is a wasteful number, since it uses less digits than its factorization.

2668490032208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 2668490032208 in words is "two trillion, six hundred sixty-eight billion, four hundred ninety million, thirty-two thousand, two hundred eight".