245555385544 has 16 divisors (see below), whose sum is σ = 526190112000. Its totient is φ = 105238022352.

The previous prime is 245555385527. The next prime is 245555385557. The reversal of 245555385544 is 445583555542.

245555385544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 2192458744 + ... + 2192458855.

It is an arithmetic number, because the mean of its divisors is an integer number (32886882000).

Almost surely, 2^245555385544 is an apocalyptic number.

It is an amenable number.

245555385544 is an abundant number, since it is smaller than the sum of its proper divisors (280634726456).

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

245555385544 is a wasteful number, since it uses less digits than its factorization.

245555385544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384917612 (or 4384917608 counting only the distinct ones).

The product of its digits is 48000000, while the sum is 55.

The spelling of 245555385544 in words is "two hundred forty-five billion, five hundred fifty-five million, three hundred eighty-five thousand, five hundred forty-four".