4245220032 has 112 divisors (see below), whose sum is σ = 12006876672. Its totient is φ = 1320478720.

The previous prime is 4245219973. The next prime is 4245220033. The reversal of 4245220032 is 2300225424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 4245219984 and 4245220011.

It is not an unprimeable number, because it can be changed into a prime (4245220033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169333 + ... + 192779.

It is an arithmetic number, because the mean of its divisors is an integer number (107204256).

Almost surely, 2^4245220032 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 4245220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6003438336).

4245220032 is an abundant number, since it is smaller than the sum of its proper divisors (7761656640).

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

4245220032 is a wasteful number, since it uses less digits than its factorization.

4245220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23526 (or 23516 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4245220032 is about 65155.3530571357. The cubic root of 4245220032 is about 1619.1984084905.

Adding to 4245220032 its reverse (2300225424), we get a palindrome (6545445456).

The spelling of 4245220032 in words is "four billion, two hundred forty-five million, two hundred twenty thousand, thirty-two".