489055478442 has 32 divisors (see below), whose sum is σ = 981983236608. Its totient is φ = 162373307376.

The previous prime is 489055478411. The next prime is 489055478459. The reversal of 489055478442 is 244874550984.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11977153 + ... + 12017915.

It is an arithmetic number, because the mean of its divisors is an integer number (30686976144).

Almost surely, 2^489055478442 is an apocalyptic number.

489055478442 is an abundant number, since it is smaller than the sum of its proper divisors (492927758166).

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

489055478442 is a wasteful number, since it uses less digits than its factorization.

489055478442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48634.

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 489055478442 in words is "four hundred eighty-nine billion, fifty-five million, four hundred seventy-eight thousand, four hundred forty-two".