240242400220 has 48 divisors (see below), whose sum is σ = 509519118528. Its totient is φ = 95144483840.

The previous prime is 240242400127. The next prime is 240242400221. The reversal of 240242400220 is 22004242042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240242400191 and 240242400200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240242400221) by changing a digit.

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, 2070177 + ... + 2183143.

It is an arithmetic number, because the mean of its divisors is an integer number (10614981636).

Almost surely, 2^240242400220 is an apocalyptic number.

240242400220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240242400220 is an abundant number, since it is smaller than the sum of its proper divisors (269276718308).

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

240242400220 is a wasteful number, since it uses less digits than its factorization.

240242400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114030 (or 114028 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 240242400220 its reverse (22004242042), we get a palindrome (262246642262).

The spelling of 240242400220 in words is "two hundred forty billion, two hundred forty-two million, four hundred thousand, two hundred twenty".