4891404480444 has 72 divisors (see below), whose sum is σ = 13193430308240. Its totient is φ = 1523494386432.

The previous prime is 4891404480439. The next prime is 4891404480461. The reversal of 4891404480444 is 4440844041984.

4891404480444 is a `hidden beast` number, since 4 + 89 + 1 + 4 + 0 + 44 + 80 + 444 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48930727 + ... + 49030590.

Almost surely, 2^{4891404480444} is an apocalyptic number.

It is an amenable number.

4891404480444 is an abundant number, since it is smaller than the sum of its proper divisors (8302025827796).

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

4891404480444 is a wasteful number, since it uses less digits than its factorization.

4891404480444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97961419 (or 97961414 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 54.

The spelling of 4891404480444 in words is "four trillion, eight hundred ninety-one billion, four hundred four million, four hundred eighty thousand, four hundred forty-four".