4245020205424 has 160 divisors (see below), whose sum is σ = 8780567007744. Its totient is φ = 1983998438400.

The previous prime is 4245020205409. The next prime is 4245020205473.

It is a happy number.

4245020205424 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4245020205424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165252147 + ... + 1165255789.

Almost surely, 2^{4245020205424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245020205424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4390283503872).

4245020205424 is an abundant number, since it is smaller than the sum of its proper divisors (4535546802320).

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

4245020205424 is a wasteful number, since it uses less digits than its factorization.

4245020205424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

The spelling of 4245020205424 in words is "four trillion, two hundred forty-five billion, twenty million, two hundred five thousand, four hundred twenty-four".