2668444530 has 32 divisors (see below), whose sum is σ = 6525105984. Its totient is φ = 698158656.

The previous prime is 2668444529. The next prime is 2668444601. The reversal of 2668444530 is 354448662.

It is a super-3 number, since 3×2668444530³ (a number of 29 digits) contains 333 as substring.

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, 837544 + ... + 840723.

It is an arithmetic number, because the mean of its divisors is an integer number (203909562).

Almost surely, 2^2668444530 is an apocalyptic number.

2668444530 is an abundant number, since it is smaller than the sum of its proper divisors (3856661454).

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

2668444530 is a wasteful number, since it uses less digits than its factorization.

2668444530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678330.

The product of its (nonzero) digits is 552960, while the sum is 42.

The square root of 2668444530 is about 51656.9891689402. The cubic root of 2668444530 is about 1387.0306556365.

The spelling of 2668444530 in words is "two billion, six hundred sixty-eight million, four hundred forty-four thousand, five hundred thirty".