489438709760 has 576 divisors, whose sum is σ = 1585866522240. Its totient is φ = 140779192320.

The previous prime is 489438709759. The next prime is 489438709801. The reversal of 489438709760 is 67907834984.

It is a super-2 number, since 2×489438709760² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 133251284 + ... + 133254956.

It is an arithmetic number, because the mean of its divisors is an integer number (2753240490).

Almost surely, 2^489438709760 is an apocalyptic number.

489438709760 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 489438709760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792933261120).

489438709760 is an abundant number, since it is smaller than the sum of its proper divisors (1096427812480).

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

489438709760 is a wasteful number, since it uses less digits than its factorization.

489438709760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 489438709760 in words is "four hundred eighty-nine billion, four hundred thirty-eight million, seven hundred nine thousand, seven hundred sixty".