2043682644 has 12 divisors (see below), whose sum is σ = 4768592864. Its totient is φ = 681227544.

The previous prime is 2043682643. The next prime is 2043682649. The reversal of 2043682644 is 4462863402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043682643) 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, 85153432 + ... + 85153455.

Almost surely, 2^2043682644 is an apocalyptic number.

It is an amenable number.

2043682644 is an abundant number, since it is smaller than the sum of its proper divisors (2724910220).

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

2043682644 is a wasteful number, since it uses less digits than its factorization.

2043682644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170306894 (or 170306892 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The square root of 2043682644 is about 45207.1083348626. The cubic root of 2043682644 is about 1269.0278471820.

The spelling of 2043682644 in words is "two billion, forty-three million, six hundred eighty-two thousand, six hundred forty-four".