4032320200421 has 8 divisors (see below), whose sum is σ = 4130697766104. Its totient is φ = 3933943982080.

The previous prime is 4032320200397. The next prime is 4032320200459. The reversal of 4032320200421 is 1240020232304.

It can be written as a sum of positive squares in 4 ways, for example, as 244777562500 + 3787542637921 = 494750^2 + 1946161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4032320200421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032320250421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8542235 + ... + 9001911.

It is an arithmetic number, because the mean of its divisors is an integer number (516337220763).

Almost surely, 2^{4032320200421} is an apocalyptic number.

4032320200421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4032320200421 is a deficient number, since it is larger than the sum of its proper divisors (98377565683).

4032320200421 is a wasteful number, since it uses less digits than its factorization.

4032320200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673671.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 4032320200421 its reverse (1240020232304), we get a palindrome (5272340432725).

The spelling of 4032320200421 in words is "four trillion, thirty-two billion, three hundred twenty million, two hundred thousand, four hundred twenty-one".