2768563320 has 32 divisors (see below), whose sum is σ = 8305690320. Its totient is φ = 738283520.

The previous prime is 2768563319. The next prime is 2768563331. The reversal of 2768563320 is 233658672.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11535561 + ... + 11535800.

Almost surely, 2^2768563320 is an apocalyptic number.

2768563320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2768563320 is an abundant number, since it is smaller than the sum of its proper divisors (5537127000).

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

2768563320 is a wasteful number, since it uses less digits than its factorization.

2768563320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23071375 (or 23071371 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2768563320 is about 52617.1390328285. The cubic root of 2768563320 is about 1404.1650320207.

The spelling of 2768563320 in words is "two billion, seven hundred sixty-eight million, five hundred sixty-three thousand, three hundred twenty".