100424032400 has 30 divisors (see below), whose sum is σ = 241268738802. Its totient is φ = 40169612800.

The previous prime is 100424032399. The next prime is 100424032403. The reversal of 100424032400 is 4230424001.

It can be written as a sum of positive squares in 3 ways, for example, as 16470128896 + 83953903504 = 128336^2 + 289748^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (100424032403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125529641 + ... + 125530440.

Almost surely, 2^100424032400 is an apocalyptic number.

100424032400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100424032400 is an abundant number, since it is smaller than the sum of its proper divisors (140844706402).

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

100424032400 is a wasteful number, since it uses less digits than its factorization.

100424032400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251060099 (or 251060088 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100424032400 its reverse (4230424001), we get a palindrome (104654456401).

The spelling of 100424032400 in words is "one hundred billion, four hundred twenty-four million, thirty-two thousand, four hundred".