3505321420424 has 32 divisors (see below), whose sum is σ = 7090397671320. Its totient is φ = 1618439187456.

The previous prime is 3505321420423. The next prime is 3505321420451. The reversal of 3505321420424 is 4240241235053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3470359152100 + 34962268324 = 1862890^2 + 186982^2 .

It is not an unprimeable number, because it can be changed into a prime (3505321420423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243147719 + ... + 243162134.

Almost surely, 2^{3505321420424} is an apocalyptic number.

3505321420424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3505321420424 is an abundant number, since it is smaller than the sum of its proper divisors (3585076250896).

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

3505321420424 is a wasteful number, since it uses less digits than its factorization.

3505321420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486309929 (or 486309925 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 3505321420424 its reverse (4240241235053), we get a palindrome (7745562655477).

The spelling of 3505321420424 in words is "three trillion, five hundred five billion, three hundred twenty-one million, four hundred twenty thousand, four hundred twenty-four".