4322780628 has 24 divisors (see below), whose sum is σ = 10093386240. Its totient is φ = 1439941440.

The previous prime is 4322780557. The next prime is 4322780663. The reversal of 4322780628 is 8260872234.

It is a self number, because there is not a number n which added to its sum of digits gives 4322780628.

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 7 ways as a sum of consecutive naturals, for example, 104793 + ... + 140096.

It is an arithmetic number, because the mean of its divisors is an integer number (420557760).

Almost surely, 2^4322780628 is an apocalyptic number.

It is an amenable number.

4322780628 is an abundant number, since it is smaller than the sum of its proper divisors (5770605612).

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

4322780628 is a wasteful number, since it uses less digits than its factorization.

4322780628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246367 (or 246365 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 4322780628 is about 65747.8564517506. The cubic root of 4322780628 is about 1628.9999295308. Note that the first 4 decimals are identical.

The spelling of 4322780628 in words is "four billion, three hundred twenty-two million, seven hundred eighty thousand, six hundred twenty-eight".