421400302322044 has 12 divisors (see below), whose sum is σ = 737471585486944. Its totient is φ = 210694135040064.

The previous prime is 421400302321997. The next prime is 421400302322099. The reversal of 421400302322044 is 440223203004124.

It is a super-2 number, since 2×421400302322044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421400302321997 and 421400302322015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503872637 + ... + 1504152820.

Almost surely, 2^{421400302322044} is an apocalyptic number.

It is an amenable number.

421400302322044 is a deficient number, since it is larger than the sum of its proper divisors (316071283164900).

421400302322044 is a wasteful number, since it uses less digits than its factorization.

421400302322044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008060484 (or 3008060482 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 421400302322044 its reverse (440223203004124), we get a palindrome (861623505326168).

The spelling of 421400302322044 in words is "four hundred twenty-one trillion, four hundred billion, three hundred two million, three hundred twenty-two thousand, forty-four".