659460140 has 48 divisors (see below), whose sum is σ = 1448701632. Its totient is φ = 251682816.

The previous prime is 659460103. The next prime is 659460181. The reversal of 659460140 is 41064956.

It is a self number, because there is not a number n which added to its sum of digits gives 659460140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208652 + ... + 211788.

It is an arithmetic number, because the mean of its divisors is an integer number (30181284).

Almost surely, 2^659460140 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 659460140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724350816).

659460140 is an abundant number, since it is smaller than the sum of its proper divisors (789241492).

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

659460140 is a wasteful number, since it uses less digits than its factorization.

659460140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 659460140 is about 25679.9559968470. The cubic root of 659460140 is about 870.4213135319.

The spelling of 659460140 in words is "six hundred fifty-nine million, four hundred sixty thousand, one hundred forty".