2064427680 has 96 divisors (see below), whose sum is σ = 7431951744. Its totient is φ = 471868416.

The previous prime is 2064427679. The next prime is 2064427693. The reversal of 2064427680 is 867244602.

It is a tau number, because it is divible by the number of its divisors (96).

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, 303847 + ... + 310566.

It is an arithmetic number, because the mean of its divisors is an integer number (77416164).

Almost surely, 2^2064427680 is an apocalyptic number.

2064427680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064427680 is an abundant number, since it is smaller than the sum of its proper divisors (5367524064).

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

2064427680 is a wasteful number, since it uses less digits than its factorization.

2064427680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614438 (or 614430 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 2064427680 is about 45435.9734131448. The cubic root of 2064427680 is about 1273.3072869746.

The spelling of 2064427680 in words is "two billion, sixty-four million, four hundred twenty-seven thousand, six hundred eighty".