4028940630 has 288 divisors, whose sum is σ = 12548390400. Its totient is φ = 890841600.

The previous prime is 4028940589. The next prime is 4028940647. The reversal of 4028940630 is 360498204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 21093835 + ... + 21094025.

It is an arithmetic number, because the mean of its divisors is an integer number (43570800).

Almost surely, 2^4028940630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4028940630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6274195200).

4028940630 is an abundant number, since it is smaller than the sum of its proper divisors (8519449770).

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

4028940630 is a wasteful number, since it uses less digits than its factorization.

4028940630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 4028940630 is about 63473.9366196867. The cubic root of 4028940630 is about 1591.2202215019.

The spelling of 4028940630 in words is "four billion, twenty-eight million, nine hundred forty thousand, six hundred thirty".