2064640404 has 48 divisors (see below), whose sum is σ = 5028872576. Its totient is φ = 658627200.

The previous prime is 2064640351. The next prime is 2064640411. The reversal of 2064640404 is 4040464602.

It is a congruent number.

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, 11032 + ... + 65199.

Almost surely, 2^2064640404 is an apocalyptic number.

It is an amenable number.

2064640404 is an abundant number, since it is smaller than the sum of its proper divisors (2964232172).

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

2064640404 is a wasteful number, since it uses less digits than its factorization.

2064640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76336 (or 76334 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2064640404 is about 45438.3142733090. The cubic root of 2064640404 is about 1273.3510204378.

The spelling of 2064640404 in words is "two billion, sixty-four million, six hundred forty thousand, four hundred four".