100400424000 has 112 divisors (see below), whose sum is σ = 331522279296. Its totient is φ = 26773440000.

The previous prime is 100400423993. The next prime is 100400424011. The reversal of 100400424000 is 424004001.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2067676 + ... + 2115675.

Almost surely, 2^100400424000 is an apocalyptic number.

100400424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100400424000 is an abundant number, since it is smaller than the sum of its proper divisors (231121855296).

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

100400424000 is an equidigital number, since it uses as much as digits as its factorization.

100400424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183381 (or 4183361 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 100400424000 its reverse (424004001), we get a palindrome (100824428001).

The spelling of 100400424000 in words is "one hundred billion, four hundred million, four hundred twenty-four thousand".