100343255544 has 384 divisors, whose sum is σ = 342622425600. Its totient is φ = 26873856000.

The previous prime is 100343255527. The next prime is 100343255609. The reversal of 100343255544 is 445552343001.

100343255544 is a `hidden beast` number, since 1 + 0 + 0 + 34 + 32 + 55 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 100343255499 and 100343255508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25077544 + ... + 25081544.

It is an arithmetic number, because the mean of its divisors is an integer number (892245900).

Almost surely, 2^100343255544 is an apocalyptic number.

100343255544 is a gapful number since it is divisible by the number (14) 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 100343255544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171311212800).

100343255544 is an abundant number, since it is smaller than the sum of its proper divisors (242279170056).

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

100343255544 is a wasteful number, since it uses less digits than its factorization.

100343255544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 100343255544 its reverse (445552343001), we get a palindrome (545895598545).

The spelling of 100343255544 in words is "one hundred billion, three hundred forty-three million, two hundred fifty-five thousand, five hundred forty-four".