103440443140 has 24 divisors (see below), whose sum is σ = 217696153752. Its totient is φ = 41286420480.

The previous prime is 103440443129. The next prime is 103440443173. The reversal of 103440443140 is 41344044301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23094273024 + 80346170116 = 151968^2 + 283454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103440443099 and 103440443108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600349 + ... + 5618788.

It is an arithmetic number, because the mean of its divisors is an integer number (9070673073).

Almost surely, 2^103440443140 is an apocalyptic number.

103440443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103440443140 is an abundant number, since it is smaller than the sum of its proper divisors (114255710612).

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

103440443140 is a wasteful number, since it uses less digits than its factorization.

103440443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219607 (or 11219605 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 103440443140 its reverse (41344044301), we get a palindrome (144784487441).

The spelling of 103440443140 in words is "one hundred three billion, four hundred forty million, four hundred forty-three thousand, one hundred forty".