652081835520 has 240 divisors, whose sum is σ = 2331195115392. Its totient is φ = 168278999040.

The previous prime is 652081835443. The next prime is 652081835591. The reversal of 652081835520 is 25538180256.

652081835520 is a `hidden beast` number, since 65 + 20 + 8 + 18 + 3 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257754 + ... + 1170726.

Almost surely, 2^652081835520 is an apocalyptic number.

652081835520 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 652081835520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165597557696).

652081835520 is an abundant number, since it is smaller than the sum of its proper divisors (1679113279872).

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

652081835520 is a wasteful number, since it uses less digits than its factorization.

652081835520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913033 (or 913014 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 652081835520 in words is "six hundred fifty-two billion, eighty-one million, eight hundred thirty-five thousand, five hundred twenty".