2389228380 has 384 divisors, whose sum is σ = 9523906560. Its totient is φ = 482734080.

The previous prime is 2389228357. The next prime is 2389228381. The reversal of 2389228380 is 838229832.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389228381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1537684 + ... + 1539236.

It is an arithmetic number, because the mean of its divisors is an integer number (24801840).

Almost surely, 2^2389228380 is an apocalyptic number.

2389228380 is a gapful number since it is divisible by the number (20) 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 2389228380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4761953280).

2389228380 is an abundant number, since it is smaller than the sum of its proper divisors (7134678180).

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

2389228380 is a wasteful number, since it uses less digits than its factorization.

2389228380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2389228380 is about 48879.7338372459. The cubic root of 2389228380 is about 1336.8598745459.

The spelling of 2389228380 in words is "two billion, three hundred eighty-nine million, two hundred twenty-eight thousand, three hundred eighty".