1420443520425 has 24 divisors (see below), whose sum is σ = 2609407357280. Its totient is φ = 757569877200.

The previous prime is 1420443520393. The next prime is 1420443520493. The reversal of 1420443520425 is 5240253440241.

1420443520425 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 443 + 5 + 204 + 2 + 5 = 666.

It is not a de Polignac number, because 1420443520425 - 2⁵ = 1420443520393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420443520425.

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 23 ways as a sum of consecutive naturals, for example, 1052179711 + ... + 1052181060.

Almost surely, 2^{1420443520425} is an apocalyptic number.

1420443520425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420443520425 is a deficient number, since it is larger than the sum of its proper divisors (1188963836855).

1420443520425 is a wasteful number, since it uses less digits than its factorization.

1420443520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104360790 (or 2104360779 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 1420443520425 its reverse (5240253440241), we get a palindrome (6660696960666).

The spelling of 1420443520425 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, five hundred twenty thousand, four hundred twenty-five".