2660466042 has 48 divisors (see below), whose sum is σ = 6212599848. Its totient is φ = 817966080.

The previous prime is 2660465999. The next prime is 2660466047. The reversal of 2660466042 is 2406640662.

2660466042 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 46 + 604 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 344065401 + 2316400641 = 18549^2 + 48129^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2660465988 and 2660466006.

It is not an unprimeable number, because it can be changed into a prime (2660466047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359742 + ... + 367062.

Almost surely, 2^2660466042 is an apocalyptic number.

2660466042 is an abundant number, since it is smaller than the sum of its proper divisors (3552133806).

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

2660466042 is a wasteful number, since it uses less digits than its factorization.

2660466042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2660466042 is about 51579.7057184315. The cubic root of 2660466042 is about 1385.6468963002.

The spelling of 2660466042 in words is "two billion, six hundred sixty million, four hundred sixty-six thousand, forty-two".