4352121220404 has 48 divisors (see below), whose sum is σ = 10784205589248. Its totient is φ = 1361319794688.

The previous prime is 4352121220397. The next prime is 4352121220417. The reversal of 4352121220404 is 4040221212534.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31583964 + ... + 31721459.

It is an arithmetic number, because the mean of its divisors is an integer number (224670949776).

Almost surely, 2^{4352121220404} is an apocalyptic number.

It is an amenable number.

4352121220404 is an abundant number, since it is smaller than the sum of its proper divisors (6432084368844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4352121220404 is a wasteful number, since it uses less digits than its factorization.

4352121220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63305784 (or 63305782 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 4352121220404 its reverse (4040221212534), we get a palindrome (8392342432938).

The spelling of 4352121220404 in words is "four trillion, three hundred fifty-two billion, one hundred twenty-one million, two hundred twenty thousand, four hundred four".