245341234240 has 56 divisors (see below), whose sum is σ = 604364313240. Its totient is φ = 94752473088.

The previous prime is 245341234207. The next prime is 245341234247. The reversal of 245341234240 is 42432143542.

245341234240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2836201536 + 242505032704 = 53256^2 + 492448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245341234196 and 245341234205.

It is not an unprimeable number, because it can be changed into a prime (245341234247) 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, 13209537 + ... + 13228096.

Almost surely, 2^245341234240 is an apocalyptic number.

245341234240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245341234240 is an abundant number, since it is smaller than the sum of its proper divisors (359023079000).

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

245341234240 is a wasteful number, since it uses less digits than its factorization.

245341234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26437679 (or 26437669 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 245341234240 its reverse (42432143542), we get a palindrome (287773377782).

The spelling of 245341234240 in words is "two hundred forty-five billion, three hundred forty-one million, two hundred thirty-four thousand, two hundred forty".