240400422220 has 48 divisors (see below), whose sum is σ = 577028547648. Its totient is φ = 82413354240.

The previous prime is 240400422211. The next prime is 240400422221. The reversal of 240400422220 is 22224004042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240400422191 and 240400422200.

It is not an unprimeable number, because it can be changed into a prime (240400422221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155714 + ... + 1347766.

It is an arithmetic number, because the mean of its divisors is an integer number (12021428076).

Almost surely, 2^240400422220 is an apocalyptic number.

240400422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240400422220 is an abundant number, since it is smaller than the sum of its proper divisors (336628125428).

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

240400422220 is a wasteful number, since it uses less digits than its factorization.

240400422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201010 (or 201008 counting only the distinct ones).

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

Adding to 240400422220 its reverse (22224004042), we get a palindrome (262624426262).

The spelling of 240400422220 in words is "two hundred forty billion, four hundred million, four hundred twenty-two thousand, two hundred twenty".