100244220340 has 24 divisors (see below), whose sum is σ = 229650396192. Its totient is φ = 36452443680.

The previous prime is 100244220289. The next prime is 100244220341. The reversal of 100244220340 is 43022442001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100244220341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 227827554 + ... + 227827993.

It is an arithmetic number, because the mean of its divisors is an integer number (9568766508).

Almost surely, 2^100244220340 is an apocalyptic number.

100244220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100244220340 is an abundant number, since it is smaller than the sum of its proper divisors (129406175852).

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

100244220340 is a wasteful number, since it uses less digits than its factorization.

100244220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455655567 (or 455655565 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 100244220340 its reverse (43022442001), we get a palindrome (143266662341).

The spelling of 100244220340 in words is "one hundred billion, two hundred forty-four million, two hundred twenty thousand, three hundred forty".