4498643544 has 24 divisors (see below), whose sum is σ = 11247430380. Its totient is φ = 1499438320.

The previous prime is 4498643543. The next prime is 4498643549. The reversal of 4498643544 is 4453468944.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4498643543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321739 + ... + 335429.

Almost surely, 2^4498643544 is an apocalyptic number.

It is an amenable number.

4498643544 is an abundant number, since it is smaller than the sum of its proper divisors (6748786836).

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

4498643544 is an frugal number, since it uses more digits than its factorization.

4498643544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27391 (or 13696 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 51.

The square root of 4498643544 is about 67071.9281368890. The cubic root of 4498643544 is about 1650.7977218867.

The spelling of 4498643544 in words is "four billion, four hundred ninety-eight million, six hundred forty-three thousand, five hundred forty-four".