2064402672 has 20 divisors (see below), whose sum is σ = 5333040360. Its totient is φ = 688134208.

The previous prime is 2064402631. The next prime is 2064402673. The reversal of 2064402672 is 2762044602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064402673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21504147 + ... + 21504242.

It is an arithmetic number, because the mean of its divisors is an integer number (266652018).

Almost surely, 2^2064402672 is an apocalyptic number.

It is an amenable number.

2064402672 is an abundant number, since it is smaller than the sum of its proper divisors (3268637688).

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

2064402672 is a wasteful number, since it uses less digits than its factorization.

2064402672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43008400 (or 43008394 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2064402672 is about 45435.6982118686. The cubic root of 2064402672 is about 1273.3021454370.

The spelling of 2064402672 in words is "two billion, sixty-four million, four hundred two thousand, six hundred seventy-two".