4538489616 has 60 divisors (see below), whose sum is σ = 13171903472. Its totient is φ = 1512828576.

The previous prime is 4538489611. The next prime is 4538489737. The reversal of 4538489616 is 6169848354.

4538489616 is a `hidden beast` number, since 4 + 538 + 4 + 8 + 96 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4538489611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579766 + ... + 587541.

Almost surely, 2^4538489616 is an apocalyptic number.

It is an amenable number.

4538489616 is an abundant number, since it is smaller than the sum of its proper divisors (8633413856).

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

4538489616 is a wasteful number, since it uses less digits than its factorization.

4538489616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167330 (or 1167312 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4538489616 is about 67368.3131449794. The cubic root of 4538489616 is about 1655.6573014864.

The spelling of 4538489616 in words is "four billion, five hundred thirty-eight million, four hundred eighty-nine thousand, six hundred sixteen".