100044004840 has 72 divisors (see below), whose sum is σ = 243809642790. Its totient is φ = 36929722752.

The previous prime is 100044004831. The next prime is 100044004867. The reversal of 100044004840 is 48400440001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 43155076644 + 56888928196 = 207738^2 + 238514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26003797 + ... + 26007643.

Almost surely, 2^100044004840 is an apocalyptic number.

100044004840 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 100044004840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121904821395).

100044004840 is an abundant number, since it is smaller than the sum of its proper divisors (143765637950).

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

100044004840 is an frugal number, since it uses more digits than its factorization.

100044004840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 100044004840 its reverse (48400440001), we get a palindrome (148444444841).

The spelling of 100044004840 in words is "one hundred billion, forty-four million, four thousand, eight hundred forty".