489531239424 has 132 divisors (see below), whose sum is σ = 1459108805440. Its totient is φ = 157913210880.

The previous prime is 489531239411. The next prime is 489531239441. The reversal of 489531239424 is 424932135984.

It is a happy number.

489531239424 is a `hidden beast` number, since 4 + 8 + 95 + 3 + 123 + 9 + 424 = 666.

It is a super-2 number, since 2×489531239424² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571039 + ... + 1142430.

Almost surely, 2^489531239424 is an apocalyptic number.

It is an amenable number.

489531239424 is an abundant number, since it is smaller than the sum of its proper divisors (969577566016).

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

489531239424 is a wasteful number, since it uses less digits than its factorization.

489531239424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713526 (or 1713505 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 489531239424 in words is "four hundred eighty-nine billion, five hundred thirty-one million, two hundred thirty-nine thousand, four hundred twenty-four".