2064673540 has 24 divisors (see below), whose sum is σ = 4340266560. Its totient is φ = 825021408.

The previous prime is 2064673487. The next prime is 2064673543. The reversal of 2064673540 is 453764602.

It is a super-2 number, since 2×2064673540² = 8525753653552263200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2064673540.

It is not an unprimeable number, because it can be changed into a prime (2064673543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32850 + ... + 72169.

It is an arithmetic number, because the mean of its divisors is an integer number (180844440).

Almost surely, 2^2064673540 is an apocalyptic number.

2064673540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064673540 is an abundant number, since it is smaller than the sum of its proper divisors (2275593020).

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

2064673540 is a wasteful number, since it uses less digits than its factorization.

2064673540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011 (or 106009 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2064673540 is about 45438.6788980490. The cubic root of 2064673540 is about 1273.3578325254.

The spelling of 2064673540 in words is "two billion, sixty-four million, six hundred seventy-three thousand, five hundred forty".