245305344112240 has 40 divisors (see below), whose sum is σ = 578847386641680. Its totient is φ = 96657628125696.

The previous prime is 245305344112211. The next prime is 245305344112271. The reversal of 245305344112240 is 42211443503542.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 245305344112193 and 245305344112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22882955845 + ... + 22882966564.

It is an arithmetic number, because the mean of its divisors is an integer number (14471184666042).

Almost surely, 2^{245305344112240} is an apocalyptic number.

245305344112240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245305344112240 is an abundant number, since it is smaller than the sum of its proper divisors (333542042529440).

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

245305344112240 is a wasteful number, since it uses less digits than its factorization.

245305344112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45765922489 (or 45765922483 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 245305344112240 its reverse (42211443503542), we get a palindrome (287516787615782).

The spelling of 245305344112240 in words is "two hundred forty-five trillion, three hundred five billion, three hundred forty-four million, one hundred twelve thousand, two hundred forty".