2668442975080 has 16 divisors (see below), whose sum is σ = 6003996694020. Its totient is φ = 1067377190016.

The previous prime is 2668442975063. The next prime is 2668442975111. The reversal of 2668442975080 is 805792448662.

It can be written as a sum of positive squares in 2 ways, for example, as 2623045854724 + 45397120356 = 1619582^2 + 213066^2 .

It is a super-2 number, since 2×2668442975080² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33355537149 + ... + 33355537228.

Almost surely, 2^{2668442975080} is an apocalyptic number.

2668442975080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668442975080 is an abundant number, since it is smaller than the sum of its proper divisors (3335553718940).

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

2668442975080 is a wasteful number, since it uses less digits than its factorization.

2668442975080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66711074388 (or 66711074384 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 2668442975080 in words is "two trillion, six hundred sixty-eight billion, four hundred forty-two million, nine hundred seventy-five thousand, eighty".