487549291320 has 512 divisors, whose sum is σ = 2003113728000. Its totient is φ = 102717849600.

The previous prime is 487549291297. The next prime is 487549291363. The reversal of 487549291320 is 23192945784.

487549291320 is a `hidden beast` number, since 4 + 8 + 7 + 549 + 2 + 91 + 3 + 2 + 0 = 666.

It is a super-2 number, since 2×487549291320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 75574095 + ... + 75580545.

It is an arithmetic number, because the mean of its divisors is an integer number (3912331500).

Almost surely, 2^487549291320 is an apocalyptic number.

487549291320 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 487549291320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001556864000).

487549291320 is an abundant number, since it is smaller than the sum of its proper divisors (1515564436680).

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

487549291320 is a wasteful number, since it uses less digits than its factorization.

487549291320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260 (or 7250 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 487549291320 in words is "four hundred eighty-seven billion, five hundred forty-nine million, two hundred ninety-one thousand, three hundred twenty".