100544034400 has 36 divisors (see below), whose sum is σ = 245453125932. Its totient is φ = 40217613440.

The previous prime is 100544034391. The next prime is 100544034407. The reversal of 100544034400 is 4430445001.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544034407) 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, 62839222 + ... + 62840821.

It is an arithmetic number, because the mean of its divisors is an integer number (6818142387).

Almost surely, 2^100544034400 is an apocalyptic number.

100544034400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100544034400 is an abundant number, since it is smaller than the sum of its proper divisors (144909091532).

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

100544034400 is a wasteful number, since it uses less digits than its factorization.

100544034400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125680063 (or 125680050 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 100544034400 its reverse (4430445001), we get a palindrome (104974479401).

The spelling of 100544034400 in words is "one hundred billion, five hundred forty-four million, thirty-four thousand, four hundred".