130443210431440 has 40 divisors (see below), whose sum is σ = 310677548754888. Its totient is φ = 50904667484160.

The previous prime is 130443210431357. The next prime is 130443210431467. The reversal of 130443210431440 is 44134012344031.

It can be written as a sum of positive squares in 4 ways, for example, as 14581064442256 + 115862145989184 = 3818516^2 + 10763928^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×130443210431440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130443210431396 and 130443210431405.

It is a congruent number.

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, 19884632457 + ... + 19884639016.

Almost surely, 2^{130443210431440} is an apocalyptic number.

130443210431440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130443210431440 is an abundant number, since it is smaller than the sum of its proper divisors (180234338323448).

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

130443210431440 is a wasteful number, since it uses less digits than its factorization.

130443210431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39769271527 (or 39769271521 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 130443210431440 its reverse (44134012344031), we get a palindrome (174577222775471).

The spelling of 130443210431440 in words is "one hundred thirty trillion, four hundred forty-three billion, two hundred ten million, four hundred thirty-one thousand, four hundred forty".