653326306340 has 48 divisors (see below), whose sum is σ = 1477818639360. Its totient is φ = 241904826240.

The previous prime is 653326306331. The next prime is 653326306421. The reversal of 653326306340 is 43603623356.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22893395 + ... + 22921914.

It is an arithmetic number, because the mean of its divisors is an integer number (30787888320).

Almost surely, 2^653326306340 is an apocalyptic number.

It is an amenable number.

653326306340 is an abundant number, since it is smaller than the sum of its proper divisors (824492333020).

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

653326306340 is a wasteful number, since it uses less digits than its factorization.

653326306340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45815372 (or 45815370 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 41.

Adding to 653326306340 its reverse (43603623356), we get a palindrome (696929929696).

The spelling of 653326306340 in words is "six hundred fifty-three billion, three hundred twenty-six million, three hundred six thousand, three hundred forty".