2686530042 has 192 divisors, whose sum is σ = 7396945920. Its totient is φ = 687025152.

The previous prime is 2686530031. The next prime is 2686530071. The reversal of 2686530042 is 2400356862.

2686530042 is a `hidden beast` number, since 2 + 6 + 86 + 530 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2686529979 and 2686530006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5340763 + ... + 5341265.

It is an arithmetic number, because the mean of its divisors is an integer number (38525760).

Almost surely, 2^2686530042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686530042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698472960).

2686530042 is an abundant number, since it is smaller than the sum of its proper divisors (4710415878).

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

2686530042 is a wasteful number, since it uses less digits than its factorization.

2686530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2686530042 is about 51831.7474334022. The cubic root of 2686530042 is about 1390.1571587050.

The spelling of 2686530042 in words is "two billion, six hundred eighty-six million, five hundred thirty thousand, forty-two".