489777548 has 108 divisors (see below), whose sum is σ = 1038224880. Its totient is φ = 201636864.

The previous prime is 489777523. The next prime is 489777551. The reversal of 489777548 is 845777984.

Its product of digits (15805440) is a multiple of the sum of its prime factors (196).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4493318 + ... + 4493426.

Almost surely, 2^489777548 is an apocalyptic number.

It is an amenable number.

489777548 is an abundant number, since it is smaller than the sum of its proper divisors (548447332).

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

489777548 is a wasteful number, since it uses less digits than its factorization.

489777548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 164 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 59.

The square root of 489777548 is about 22130.9183722682. The cubic root of 489777548 is about 788.2541953504.

The spelling of 489777548 in words is "four hundred eighty-nine million, seven hundred seventy-seven thousand, five hundred forty-eight".