3896983660240 has 40 divisors (see below), whose sum is σ = 9884167649568. Its totient is φ = 1417084967040.

The previous prime is 3896983660181. The next prime is 3896983660247. The reversal of 3896983660240 is 420663896983.

3896983660240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896983660247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214194382 + ... + 2214196141.

Almost surely, 2^{3896983660240} is an apocalyptic number.

It is an amenable number.

3896983660240 is an abundant number, since it is smaller than the sum of its proper divisors (5987183989328).

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

3896983660240 is a wasteful number, since it uses less digits than its factorization.

3896983660240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428390547 (or 4428390541 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 64.

The spelling of 3896983660240 in words is "three trillion, eight hundred ninety-six billion, nine hundred eighty-three million, six hundred sixty thousand, two hundred forty".