245310443240 has 32 divisors (see below), whose sum is σ = 580998420000. Its totient is φ = 92959746624.

The previous prime is 245310443227. The next prime is 245310443291. The reversal of 245310443240 is 42344013542.

245310443240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245310443197 and 245310443206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161387690 + ... + 161389209.

It is an arithmetic number, because the mean of its divisors is an integer number (18156200625).

Almost surely, 2^245310443240 is an apocalyptic number.

245310443240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245310443240 is an abundant number, since it is smaller than the sum of its proper divisors (335687976760).

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

245310443240 is a wasteful number, since it uses less digits than its factorization.

245310443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322776929 (or 322776925 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 245310443240 its reverse (42344013542), we get a palindrome (287654456782).

The spelling of 245310443240 in words is "two hundred forty-five billion, three hundred ten million, four hundred forty-three thousand, two hundred forty".