4245120000 has 660 divisors, whose sum is σ = 16959083856. Its totient is φ = 1013760000.

The previous prime is 4245119999. The next prime is 4245120007. The reversal of 4245120000 is 215424.

It is a tau number, because it is divible by the number of its divisors (660).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4245120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 63359967 + ... + 63360033.

Almost surely, 2^4245120000 is an apocalyptic number.

4245120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8479541928).

4245120000 is an abundant number, since it is smaller than the sum of its proper divisors (12713963856).

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

4245120000 is a wasteful number, since it uses less digits than its factorization.

4245120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4245120000 is about 65154.5854103915. The cubic root of 4245120000 is about 1619.1856904275.

Adding to 4245120000 its reverse (215424), we get a palindrome (4245335424).

The spelling of 4245120000 in words is "four billion, two hundred forty-five million, one hundred twenty thousand".