2147042766 has 32 divisors (see below), whose sum is σ = 4692261888. Its totient is φ = 649535040.

The previous prime is 2147042747. The next prime is 2147042881. The reversal of 2147042766 is 6672407412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13266 + ... + 66858.

It is an arithmetic number, because the mean of its divisors is an integer number (146633184).

Almost surely, 2^2147042766 is an apocalyptic number.

2147042766 is an abundant number, since it is smaller than the sum of its proper divisors (2545219122).

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

2147042766 is a wasteful number, since it uses less digits than its factorization.

2147042766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54216.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 2147042766 is about 46336.1928302272. The cubic root of 2147042766 is about 1290.0708584357.

It can be divided in two parts, 214704 and 2766, that added together give a triangular number (217470 = T₆₅₉).

The spelling of 2147042766 in words is "two billion, one hundred forty-seven million, forty-two thousand, seven hundred sixty-six".