330421400421 has 32 divisors (see below), whose sum is σ = 513553198080. Its totient is φ = 185061010176.

The previous prime is 330421400417. The next prime is 330421400447. The reversal of 330421400421 is 124004124033.

It is not a de Polignac number, because 330421400421 - 2² = 330421400417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330421400391 and 330421400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330421400471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21870 + ... + 813216.

It is an arithmetic number, because the mean of its divisors is an integer number (16048537440).

Almost surely, 2^330421400421 is an apocalyptic number.

It is an amenable number.

330421400421 is a deficient number, since it is larger than the sum of its proper divisors (183131797659).

330421400421 is a wasteful number, since it uses less digits than its factorization.

330421400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791753.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 330421400421 its reverse (124004124033), we get a palindrome (454425524454).

The spelling of 330421400421 in words is "three hundred thirty billion, four hundred twenty-one million, four hundred thousand, four hundred twenty-one".