103243533400040 has 128 divisors (see below), whose sum is σ = 256995921312000. Its totient is φ = 37012780492800.

The previous prime is 103243533400039. The next prime is 103243533400097. The reversal of 103243533400040 is 40004335342301.

It is an unprimeable number.

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, 962419526 + ... + 962526794.

It is an arithmetic number, because the mean of its divisors is an integer number (2007780635250).

Almost surely, 2^{103243533400040} is an apocalyptic number.

103243533400040 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 103243533400040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128497960656000).

103243533400040 is an abundant number, since it is smaller than the sum of its proper divisors (153752387911960).

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

103243533400040 is a wasteful number, since it uses less digits than its factorization.

103243533400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138171 (or 138167 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 103243533400040 its reverse (40004335342301), we get a palindrome (143247868742341).

The spelling of 103243533400040 in words is "one hundred three trillion, two hundred forty-three billion, five hundred thirty-three million, four hundred thousand, forty".