10304237840 has 40 divisors (see below), whose sum is σ = 25800228888. Its totient is φ = 3804641280.

The previous prime is 10304237821. The next prime is 10304237849. The reversal of 10304237840 is 4873240301.

It can be written as a sum of positive squares in 4 ways, for example, as 658640896 + 9645596944 = 25664^2 + 98212^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10304237797 and 10304237806.

It is not an unprimeable number, because it can be changed into a prime (10304237849) 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 7 ways as a sum of consecutive naturals, for example, 4952921 + ... + 4955000.

Almost surely, 2^10304237840 is an apocalyptic number.

10304237840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10304237840 is an abundant number, since it is smaller than the sum of its proper divisors (15495991048).

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

10304237840 is a wasteful number, since it uses less digits than its factorization.

10304237840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907947 (or 9907941 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 10304237840 in words is "ten billion, three hundred four million, two hundred thirty-seven thousand, eight hundred forty".