240345220100 has 18 divisors (see below), whose sum is σ = 521549127834. Its totient is φ = 96138088000.

The previous prime is 240345220081. The next prime is 240345220109. The reversal of 240345220100 is 1022543042.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 66287711296 + 174057508804 = 257464^2 + 417202^2 .

It is not an unprimeable number, because it can be changed into a prime (240345220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1201726001 + ... + 1201726200.

Almost surely, 2^240345220100 is an apocalyptic number.

240345220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240345220100 is an abundant number, since it is smaller than the sum of its proper divisors (281203907734).

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

240345220100 is a wasteful number, since it uses less digits than its factorization.

240345220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403452215 (or 2403452208 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 240345220100 its reverse (1022543042), we get a palindrome (241367763142).

The spelling of 240345220100 in words is "two hundred forty billion, three hundred forty-five million, two hundred twenty thousand, one hundred".