130434243440 has 40 divisors (see below), whose sum is σ = 313042190208. Its totient is φ = 50490673920.

The previous prime is 130434243437. The next prime is 130434243461. The reversal of 130434243440 is 44342434031.

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

It is a junction number, because it is equal to n+sod(n) for n = 130434243397 and 130434243406.

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, 26294747 + ... + 26299706.

Almost surely, 2^130434243440 is an apocalyptic number.

130434243440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130434243440 is an abundant number, since it is smaller than the sum of its proper divisors (182607946768).

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

130434243440 is a wasteful number, since it uses less digits than its factorization.

130434243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52594497 (or 52594491 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 130434243440 its reverse (44342434031), we get a palindrome (174776677471).

The spelling of 130434243440 in words is "one hundred thirty billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred forty".