6485380580 has 96 divisors (see below), whose sum is σ = 16543887360. Its totient is φ = 2085989760.

The previous prime is 6485380579. The next prime is 6485380591. The reversal of 6485380580 is 850835846.

It is a super-3 number, since 3×6485380580³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262145 + ... + 285815.

It is an arithmetic number, because the mean of its divisors is an integer number (172332160).

Almost surely, 2^6485380580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6485380580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8271943680).

6485380580 is an abundant number, since it is smaller than the sum of its proper divisors (10058506780).

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

6485380580 is a wasteful number, since it uses less digits than its factorization.

6485380580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809 (or 23807 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 6485380580 is about 80531.8606515459. The cubic root of 6485380580 is about 1864.8553704805.

The spelling of 6485380580 in words is "six billion, four hundred eighty-five million, three hundred eighty thousand, five hundred eighty".