2986252668 has 144 divisors (see below), whose sum is σ = 8954400000. Its totient is φ = 838549152.

The previous prime is 2986252663. The next prime is 2986252669. The reversal of 2986252668 is 8662526892.

2986252668 is a `hidden beast` number, since 2 + 9 + 8 + 625 + 2 + 6 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986252663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726483 + ... + 730581.

Almost surely, 2^2986252668 is an apocalyptic number.

2986252668 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 2986252668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4477200000).

2986252668 is an abundant number, since it is smaller than the sum of its proper divisors (5968147332).

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

2986252668 is a wasteful number, since it uses less digits than its factorization.

2986252668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189 (or 4170 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 2986252668 is about 54646.6162538908. The cubic root of 2986252668 is about 1440.0431873622.

The spelling of 2986252668 in words is "two billion, nine hundred eighty-six million, two hundred fifty-two thousand, six hundred sixty-eight".