130440303020440 has 64 divisors (see below), whose sum is σ = 343218338876160. Its totient is φ = 43682334030720.

The previous prime is 130440303020407. The next prime is 130440303020449. The reversal of 130440303020440 is 44020303044031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 130440303020399 and 130440303020408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440303020449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416944066 + ... + 5416968145.

It is an arithmetic number, because the mean of its divisors is an integer number (5362786544940).

Almost surely, 2^{130440303020440} is an apocalyptic number.

130440303020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130440303020440 is an abundant number, since it is smaller than the sum of its proper divisors (212778035855720).

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

130440303020440 is a wasteful number, since it uses less digits than its factorization.

130440303020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833912272 (or 10833912268 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 130440303020440 its reverse (44020303044031), we get a palindrome (174460606064471).

The spelling of 130440303020440 in words is "one hundred thirty trillion, four hundred forty billion, three hundred three million, twenty thousand, four hundred forty".