2064768880 has 40 divisors (see below), whose sum is σ = 5009313312. Its totient is φ = 789997824.

The previous prime is 2064768863. The next prime is 2064768889. The reversal of 2064768880 is 888674602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064768889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559239 + ... + 562918.

Almost surely, 2^2064768880 is an apocalyptic number.

2064768880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064768880 is an abundant number, since it is smaller than the sum of its proper divisors (2944544432).

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

2064768880 is a wasteful number, since it uses less digits than its factorization.

2064768880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122193 (or 1122187 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 2064768880 is about 45439.7279921436. The cubic root of 2064768880 is about 1273.3774320835.

The spelling of 2064768880 in words is "two billion, sixty-four million, seven hundred sixty-eight thousand, eight hundred eighty".