2086266442 has 16 divisors (see below), whose sum is σ = 3402846720. Its totient is φ = 953542512.

The previous prime is 2086266437. The next prime is 2086266461. The reversal of 2086266442 is 2446626802.

It is a junction number, because it is equal to n+sod(n) for n = 2086266395 and 2086266404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386842 + ... + 392197.

It is an arithmetic number, because the mean of its divisors is an integer number (212677920).

Almost surely, 2^2086266442 is an apocalyptic number.

2086266442 is a deficient number, since it is larger than the sum of its proper divisors (1316580278).

2086266442 is a wasteful number, since it uses less digits than its factorization.

2086266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779157.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 2086266442 is about 45675.6657532214. The cubic root of 2086266442 is about 1277.7814846124.

The spelling of 2086266442 in words is "two billion, eighty-six million, two hundred sixty-six thousand, four hundred forty-two".