652633331520 has 224 divisors, whose sum is σ = 2173082572800. Its totient is φ = 165631150080.

The previous prime is 652633331489. The next prime is 652633331527. The reversal of 652633331520 is 25133336256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652633331527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4319655 + ... + 4468185.

Almost surely, 2^652633331520 is an apocalyptic number.

652633331520 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 652633331520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086541286400).

652633331520 is an abundant number, since it is smaller than the sum of its proper divisors (1520449241280).

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

652633331520 is a wasteful number, since it uses less digits than its factorization.

652633331520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148773 (or 148763 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

Adding to 652633331520 its reverse (25133336256), we get a palindrome (677766667776).

The spelling of 652633331520 in words is "six hundred fifty-two billion, six hundred thirty-three million, three hundred thirty-one thousand, five hundred twenty".