489349549440 has 384 divisors, whose sum is σ = 1758441484800. Its totient is φ = 125294432256.

The previous prime is 489349549411. The next prime is 489349549457. The reversal of 489349549440 is 44945943984.

489349549440 is a `hidden beast` number, since 4 + 8 + 9 + 3 + 49 + 549 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14596377 + ... + 14629863.

It is an arithmetic number, because the mean of its divisors is an integer number (4579274700).

Almost surely, 2^489349549440 is an apocalyptic number.

489349549440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489349549440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879220742400).

489349549440 is an abundant number, since it is smaller than the sum of its proper divisors (1269091935360).

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

489349549440 is a wasteful number, since it uses less digits than its factorization.

489349549440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33614 (or 33599 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 489349549440 in words is "four hundred eighty-nine billion, three hundred forty-nine million, five hundred forty-nine thousand, four hundred forty".