659420580 has 384 divisors, whose sum is σ = 2438553600. Its totient is φ = 129355776.

The previous prime is 659420579. The next prime is 659420659. The reversal of 659420580 is 85024956.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7409176 + ... + 7409264.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^659420580 is an apocalyptic number.

659420580 is a gapful number since it is divisible by the number (60) 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 659420580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219276800).

659420580 is an abundant number, since it is smaller than the sum of its proper divisors (1779133020).

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

659420580 is a wasteful number, since it uses less digits than its factorization.

659420580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 659420580 is about 25679.1857347541. The cubic root of 659420580 is about 870.4039081050.

The spelling of 659420580 in words is "six hundred fifty-nine million, four hundred twenty thousand, five hundred eighty".