206440245024 has 48 divisors (see below), whose sum is σ = 583590696192. Its totient is φ = 63520075008.

The previous prime is 206440245017. The next prime is 206440245043. The reversal of 206440245024 is 420542044602.

It is a tau number, because it is divible by the number of its divisors (48).

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, 82707184 + ... + 82709679.

It is an arithmetic number, because the mean of its divisors is an integer number (12158139504).

Almost surely, 2^206440245024 is an apocalyptic number.

206440245024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206440245024 is an abundant number, since it is smaller than the sum of its proper divisors (377150451168).

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

206440245024 is a wasteful number, since it uses less digits than its factorization.

206440245024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165416889 (or 165416881 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 206440245024 its reverse (420542044602), we get a palindrome (626982289626).

The spelling of 206440245024 in words is "two hundred six billion, four hundred forty million, two hundred forty-five thousand, twenty-four".