303342023440 has 40 divisors (see below), whose sum is σ = 705724627608. Its totient is φ = 121258629120.

The previous prime is 303342023419. The next prime is 303342023449. The reversal of 303342023440 is 44320243303.

It can be written as a sum of positive squares in 4 ways, for example, as 22327531776 + 281014491664 = 149424^2 + 530108^2 .

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 = 303342023399 and 303342023408.

It is not an unprimeable number, because it can be changed into a prime (303342023449) 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 7 ways as a sum of consecutive naturals, for example, 1096551 + ... + 1345030.

Almost surely, 2^303342023440 is an apocalyptic number.

It is an amenable number.

303342023440 is an abundant number, since it is smaller than the sum of its proper divisors (402382604168).

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

303342023440 is a wasteful number, since it uses less digits than its factorization.

303342023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443147 (or 2443141 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 303342023440 its reverse (44320243303), we get a palindrome (347662266743).

The spelling of 303342023440 in words is "three hundred three billion, three hundred forty-two million, twenty-three thousand, four hundred forty".