130440240200421 has 48 divisors (see below), whose sum is σ = 198091768948800. Its totient is φ = 84831161362560.

The previous prime is 130440240200393. The next prime is 130440240200443. The reversal of 130440240200421 is 124002042044031.

130440240200421 is a `hidden beast` number, since 1 + 30 + 4 + 4 + 0 + 2 + 4 + 0 + 200 + 421 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-130440240200421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440240200821) 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, 500352135 + ... + 500612763.

It is an arithmetic number, because the mean of its divisors is an integer number (4126911853100).

Almost surely, 2^{130440240200421} is an apocalyptic number.

It is an amenable number.

130440240200421 is a deficient number, since it is larger than the sum of its proper divisors (67651528748379).

130440240200421 is a wasteful number, since it uses less digits than its factorization.

130440240200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271747 (or 271700 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 130440240200421 its reverse (124002042044031), we get a palindrome (254442282244452).

The spelling of 130440240200421 in words is "one hundred thirty trillion, four hundred forty billion, two hundred forty million, two hundred thousand, four hundred twenty-one".