245563605240 has 64 divisors (see below), whose sum is σ = 737042544000. Its totient is φ = 65452363392.

The previous prime is 245563605233. The next prime is 245563605299. The reversal of 245563605240 is 42506365542.

245563605240 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 = 245563605192 and 245563605201.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 235582 + ... + 739341.

It is an arithmetic number, because the mean of its divisors is an integer number (11516289750).

Almost surely, 2^245563605240 is an apocalyptic number.

245563605240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245563605240 is an abundant number, since it is smaller than the sum of its proper divisors (491478938760).

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

245563605240 is a wasteful number, since it uses less digits than its factorization.

245563605240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977036 (or 977032 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 245563605240 in words is "two hundred forty-five billion, five hundred sixty-three million, six hundred five thousand, two hundred forty".