4494831820 has 12 divisors (see below), whose sum is σ = 9439146864. Its totient is φ = 1797932720.

The previous prime is 4494831799. The next prime is 4494831863. The reversal of 4494831820 is 281384944.

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, 112370776 + ... + 112370815.

It is an arithmetic number, because the mean of its divisors is an integer number (786595572).

Almost surely, 2^4494831820 is an apocalyptic number.

It is an amenable number.

4494831820 is an abundant number, since it is smaller than the sum of its proper divisors (4944315044).

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

4494831820 is a wasteful number, since it uses less digits than its factorization.

4494831820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224741600 (or 224741598 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 4494831820 is about 67043.5069190149. The cubic root of 4494831820 is about 1650.3313469849.

The spelling of 4494831820 in words is "four billion, four hundred ninety-four million, eight hundred thirty-one thousand, eight hundred twenty".