130023544440 has 64 divisors (see below), whose sum is σ = 391458886560. Its totient is φ = 34549544960.

The previous prime is 130023544433. The next prime is 130023544459. The reversal of 130023544440 is 44445320031.

It is a super-2 number, since 2×130023544440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 130023544398 and 130023544407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894269 + ... + 1961708.

Almost surely, 2^130023544440 is an apocalyptic number.

130023544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130023544440 is an abundant number, since it is smaller than the sum of its proper divisors (261435342120).

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

130023544440 is a wasteful number, since it uses less digits than its factorization.

130023544440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856272 (or 3856268 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 130023544440 its reverse (44445320031), we get a palindrome (174468864471).

The spelling of 130023544440 in words is "one hundred thirty billion, twenty-three million, five hundred forty-four thousand, four hundred forty".