173483420580 has 144 divisors (see below), whose sum is σ = 533462333040. Its totient is φ = 45631033344.

The previous prime is 173483420573. The next prime is 173483420603. The reversal of 173483420580 is 85024384371.

173483420580 is a `hidden beast` number, since 1 + 7 + 3 + 48 + 3 + 4 + 20 + 580 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 139428864 + 173343991716 = 11808^2 + 416346^2 .

It is a super-2 number, since 2×173483420580² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3849216 + ... + 3894024.

It is an arithmetic number, because the mean of its divisors is an integer number (3704599535).

Almost surely, 2^173483420580 is an apocalyptic number.

173483420580 is a gapful number since it is divisible by the number (10) 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 173483420580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266731166520).

173483420580 is an abundant number, since it is smaller than the sum of its proper divisors (359978912460).

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

173483420580 is a wasteful number, since it uses less digits than its factorization.

173483420580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118 (or 45113 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 173483420580 in words is "one hundred seventy-three billion, four hundred eighty-three million, four hundred twenty thousand, five hundred eighty".