10320325567640 has 96 divisors (see below), whose sum is σ = 25534074968640. Its totient is φ = 3751307704320.

The previous prime is 10320325567621. The next prime is 10320325567649. The reversal of 10320325567640 is 4676552302301.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 10320325567591 and 10320325567600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320325567649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11407784 + ... + 12279176.

It is an arithmetic number, because the mean of its divisors is an integer number (265979947590).

Almost surely, 2^{10320325567640} is an apocalyptic number.

10320325567640 is a gapful number since it is divisible by the number (10) 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 10320325567640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767037484320).

10320325567640 is an abundant number, since it is smaller than the sum of its proper divisors (15213749401000).

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

10320325567640 is a wasteful number, since it uses less digits than its factorization.

10320325567640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873873 (or 873858 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

Adding to 10320325567640 its reverse (4676552302301), we get a palindrome (14996877869941).

The spelling of 10320325567640 in words is "ten trillion, three hundred twenty billion, three hundred twenty-five million, five hundred sixty-seven thousand, six hundred forty".