100244423240 has 64 divisors (see below), whose sum is σ = 243300879360. Its totient is φ = 36952231680.

The previous prime is 100244423233. The next prime is 100244423267. The reversal of 100244423240 is 42324442001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156845 + ... + 474435.

It is an arithmetic number, because the mean of its divisors is an integer number (3801576240).

Almost surely, 2^100244423240 is an apocalyptic number.

100244423240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100244423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121650439680).

100244423240 is an abundant number, since it is smaller than the sum of its proper divisors (143056456120).

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

100244423240 is a wasteful number, since it uses less digits than its factorization.

100244423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318222 (or 318218 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 100244423240 its reverse (42324442001), we get a palindrome (142568865241).

The spelling of 100244423240 in words is "one hundred billion, two hundred forty-four million, four hundred twenty-three thousand, two hundred forty".