245344312102540 has 48 divisors (see below), whose sum is σ = 591466826022912. Its totient is φ = 83740838867136.

The previous prime is 245344312102531. The next prime is 245344312102559. The reversal of 245344312102540 is 45201213443542.

It is a junction number, because it is equal to n+sod(n) for n = 245344312102493 and 245344312102502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929249884 + ... + 3929312323.

It is an arithmetic number, because the mean of its divisors is an integer number (12322225542144).

Almost surely, 2^{245344312102540} is an apocalyptic number.

245344312102540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245344312102540 is an abundant number, since it is smaller than the sum of its proper divisors (346122513920372).

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

245344312102540 is a wasteful number, since it uses less digits than its factorization.

245344312102540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858562446 (or 7858562444 counting only the distinct ones).

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

The spelling of 245344312102540 in words is "two hundred forty-five trillion, three hundred forty-four billion, three hundred twelve million, one hundred two thousand, five hundred forty".