103440522500 has 120 divisors (see below), whose sum is σ = 258930065856. Its totient is φ = 35408880000.

The previous prime is 103440522487. The next prime is 103440522527. The reversal of 103440522500 is 5225044301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 103440522500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11843135 + ... + 11851865.

Almost surely, 2^103440522500 is an apocalyptic number.

103440522500 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 103440522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129465032928).

103440522500 is an abundant number, since it is smaller than the sum of its proper divisors (155489543356).

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

103440522500 is an equidigital number, since it uses as much as digits as its factorization.

103440522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9439 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 103440522500 its reverse (5225044301), we get a palindrome (108665566801).

The spelling of 103440522500 in words is "one hundred three billion, four hundred forty million, five hundred twenty-two thousand, five hundred".