4028225616 has 240 divisors, whose sum is σ = 12323211264. Its totient is φ = 1223479296.

The previous prime is 4028225611. The next prime is 4028225623. The reversal of 4028225616 is 6165228204.

It is a happy number.

It is a super-2 number, since 2×4028225616² = 32453203226797158912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028225611) 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 47 ways as a sum of consecutive naturals, for example, 18063681 + ... + 18063903.

Almost surely, 2^4028225616 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 4028225616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6161605632).

4028225616 is an abundant number, since it is smaller than the sum of its proper divisors (8294985648).

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

4028225616 is a wasteful number, since it uses less digits than its factorization.

4028225616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4028225616 is about 63468.3040264981. The cubic root of 4028225616 is about 1591.1260849243.

The spelling of 4028225616 in words is "four billion, twenty-eight million, two hundred twenty-five thousand, six hundred sixteen".