489692816040 has 32 divisors (see below), whose sum is σ = 1469078448480. Its totient is φ = 130584750912.

The previous prime is 489692816021. The next prime is 489692816077. The reversal of 489692816040 is 40618296984.

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 7 ways as a sum of consecutive naturals, for example, 2040386614 + ... + 2040386853.

It is an arithmetic number, because the mean of its divisors is an integer number (45908701515).

Almost surely, 2^489692816040 is an apocalyptic number.

489692816040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489692816040 is an abundant number, since it is smaller than the sum of its proper divisors (979385632440).

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

489692816040 is a wasteful number, since it uses less digits than its factorization.

489692816040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080773481 (or 4080773477 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 489692816040 in words is "four hundred eighty-nine billion, six hundred ninety-two million, eight hundred sixteen thousand, forty".