2768403402 has 12 divisors (see below), whose sum is σ = 5998207410. Its totient is φ = 922801128.

The previous prime is 2768403401. The next prime is 2768403419. The reversal of 2768403402 is 2043048672.

2768403402 is a `hidden beast` number, since 276 + 8 + 40 + 340 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2688318801 + 80084601 = 51849^2 + 8949^2 .

It is not an unprimeable number, because it can be changed into a prime (2768403401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76900077 + ... + 76900112.

Almost surely, 2^2768403402 is an apocalyptic number.

2768403402 is an abundant number, since it is smaller than the sum of its proper divisors (3229804008).

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

2768403402 is a wasteful number, since it uses less digits than its factorization.

2768403402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153800197 (or 153800194 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 2768403402 is about 52615.6193729581. The cubic root of 2768403402 is about 1404.1379956651.

The spelling of 2768403402 in words is "two billion, seven hundred sixty-eight million, four hundred three thousand, four hundred two".