10323261101640 has 128 divisors (see below), whose sum is σ = 31502448230400. Its totient is φ = 2705834177280.

The previous prime is 10323261101609. The next prime is 10323261101651. The reversal of 10323261101640 is 4610116232301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10323261101598 and 10323261101607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327556 + ... + 4555635.

It is an arithmetic number, because the mean of its divisors is an integer number (246112876800).

Almost surely, 2^{10323261101640} is an apocalyptic number.

10323261101640 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 10323261101640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15751224115200).

10323261101640 is an abundant number, since it is smaller than the sum of its proper divisors (21179187128760).

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

10323261101640 is a wasteful number, since it uses less digits than its factorization.

10323261101640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883507 (or 4883503 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 10323261101640 its reverse (4610116232301), we get a palindrome (14933377333941).

The spelling of 10323261101640 in words is "ten trillion, three hundred twenty-three billion, two hundred sixty-one million, one hundred one thousand, six hundred forty".