489677249520 has 120 divisors (see below), whose sum is σ = 1650568350912. Its totient is φ = 130098700800.

The previous prime is 489677249507. The next prime is 489677249543. The reversal of 489677249520 is 25942776984.

489677249520 is a `hidden beast` number, since 4 + 8 + 9 + 67 + 7 + 2 + 49 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1059691 + ... + 1449930.

Almost surely, 2^489677249520 is an apocalyptic number.

489677249520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489677249520 is an abundant number, since it is smaller than the sum of its proper divisors (1160891101392).

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

489677249520 is a wasteful number, since it uses less digits than its factorization.

489677249520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509911 (or 2509902 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 489677249520 in words is "four hundred eighty-nine billion, six hundred seventy-seven million, two hundred forty-nine thousand, five hundred twenty".