1420400143424 has 28 divisors (see below), whose sum is σ = 2827122004368. Its totient is φ = 708054441600.

The previous prime is 1420400143321. The next prime is 1420400143427. The reversal of 1420400143424 is 4243410040241.

It is not an unprimeable number, because it can be changed into a prime (1420400143427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33504122 + ... + 33546489.

Almost surely, 2^{1420400143424} is an apocalyptic number.

It is an amenable number.

1420400143424 is a deficient number, since it is larger than the sum of its proper divisors (1406721860944).

1420400143424 is an equidigital number, since it uses as much as digits as its factorization.

1420400143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67050954 (or 67050944 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1420400143424 its reverse (4243410040241), we get a palindrome (5663810183665).

The spelling of 1420400143424 in words is "one trillion, four hundred twenty billion, four hundred million, one hundred forty-three thousand, four hundred twenty-four".