2051768262 has 8 divisors (see below), whose sum is σ = 4103536536. Its totient is φ = 683922752.

The previous prime is 2051768261. The next prime is 2051768273. The reversal of 2051768262 is 2628671502.

It is a sphenic number, since it is the product of 3 distinct primes.

2051768262 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051768262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051768261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170980683 + ... + 170980694.

It is an arithmetic number, because the mean of its divisors is an integer number (512942067).

Almost surely, 2^2051768262 is an apocalyptic number.

2051768262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2051768262 is a wasteful number, since it uses less digits than its factorization.

2051768262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341961382.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2051768262 is about 45296.4486687422. The cubic root of 2051768262 is about 1270.6992371556.

The spelling of 2051768262 in words is "two billion, fifty-one million, seven hundred sixty-eight thousand, two hundred sixty-two".