2304381780 has 36 divisors (see below), whose sum is σ = 6989958612. Its totient is φ = 614501760.

The previous prime is 2304381763. The next prime is 2304381809. The reversal of 2304381780 is 871834032.

It can be written as a sum of positive squares in 2 ways, for example, as 527253444 + 1777128336 = 22962^2 + 42156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 6400881 + ... + 6401240.

It is an arithmetic number, because the mean of its divisors is an integer number (194165517).

Almost surely, 2^2304381780 is an apocalyptic number.

2304381780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304381780 is an abundant number, since it is smaller than the sum of its proper divisors (4685576832).

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

2304381780 is a wasteful number, since it uses less digits than its factorization.

2304381780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802136 (or 12802131 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2304381780 is about 48003.9767102685. The cubic root of 2304381780 is about 1320.8438474839.

The spelling of 2304381780 in words is "two billion, three hundred four million, three hundred eighty-one thousand, seven hundred eighty".