3965580994404 has 12 divisors (see below), whose sum is σ = 9253022320304. Its totient is φ = 1321860331464.

The previous prime is 3965580994393. The next prime is 3965580994457. The reversal of 3965580994404 is 4044990855693.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165232541422 + ... + 165232541445.

Almost surely, 2^{3965580994404} is an apocalyptic number.

It is an amenable number.

3965580994404 is an abundant number, since it is smaller than the sum of its proper divisors (5287441325900).

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

3965580994404 is a wasteful number, since it uses less digits than its factorization.

3965580994404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330465082874 (or 330465082872 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 66.

The spelling of 3965580994404 in words is "three trillion, nine hundred sixty-five billion, five hundred eighty million, nine hundred ninety-four thousand, four hundred four".