130440121112440 has 16 divisors (see below), whose sum is σ = 293490272503080. Its totient is φ = 52176048444960.

The previous prime is 130440121112377. The next prime is 130440121112449. The reversal of 130440121112440 is 44211121044031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130440121112399 and 130440121112408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440121112449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630501513866 + ... + 1630501513945.

Almost surely, 2^{130440121112440} is an apocalyptic number.

130440121112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130440121112440 is an abundant number, since it is smaller than the sum of its proper divisors (163050151390640).

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

130440121112440 is a wasteful number, since it uses less digits than its factorization.

130440121112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261003027822 (or 3261003027818 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 130440121112440 its reverse (44211121044031), we get a palindrome (174651242156471).

The spelling of 130440121112440 in words is "one hundred thirty trillion, four hundred forty billion, one hundred twenty-one million, one hundred twelve thousand, four hundred forty".