2668231530 has 80 divisors (see below), whose sum is σ = 7188549984. Its totient is φ = 710143200.

The previous prime is 2668231529. The next prime is 2668231547. The reversal of 2668231530 is 351328662.

It is a happy number.

2668231530 is a `hidden beast` number, since 266 + 82 + 315 + 3 + 0 = 666.

It is a super-2 number, since 2×2668231530² = 14238918995372281800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 453105 + ... + 458955.

Almost surely, 2^2668231530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668231530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594274992).

2668231530 is an abundant number, since it is smaller than the sum of its proper divisors (4520318454).

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

2668231530 is a wasteful number, since it uses less digits than its factorization.

2668231530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433 (or 6424 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2668231530 is about 51654.9274513090. The cubic root of 2668231530 is about 1386.9937495679.

The spelling of 2668231530 in words is "two billion, six hundred sixty-eight million, two hundred thirty-one thousand, five hundred thirty".