130644326340 has 144 divisors (see below), whose sum is σ = 433116605376. Its totient is φ = 31612550400.

The previous prime is 130644326327. The next prime is 130644326347. The reversal of 130644326340 is 43623446031.

130644326340 is a `hidden beast` number, since 1 + 3 + 0 + 644 + 3 + 2 + 6 + 3 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 130644326295 and 130644326304.

It is not an unprimeable number, because it can be changed into a prime (130644326347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1010199 + ... + 1132161.

It is an arithmetic number, because the mean of its divisors is an integer number (3007754204).

Almost surely, 2^130644326340 is an apocalyptic number.

130644326340 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 130644326340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216558302688).

130644326340 is an abundant number, since it is smaller than the sum of its proper divisors (302472279036).

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

130644326340 is a wasteful number, since it uses less digits than its factorization.

130644326340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122530 (or 122525 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 130644326340 in words is "one hundred thirty billion, six hundred forty-four million, three hundred twenty-six thousand, three hundred forty".