1420421232416 has 24 divisors (see below), whose sum is σ = 2796484109580. Its totient is φ = 710203045888.

The previous prime is 1420421232407. The next prime is 1420421232463. The reversal of 1420421232416 is 6142321240241.

It can be written as a sum of positive squares in 2 ways, for example, as 1258659610000 + 161761622416 = 1121900^2 + 402196^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3954920 + ... + 4299096.

Almost surely, 2^{1420421232416} is an apocalyptic number.

1420421232416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1420421232416 is a deficient number, since it is larger than the sum of its proper divisors (1376062877164).

1420421232416 is a wasteful number, since it uses less digits than its factorization.

1420421232416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473156 (or 473148 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1420421232416 its reverse (6142321240241), we get a palindrome (7562742472657).

The spelling of 1420421232416 in words is "one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred sixteen".