21304141400 has 48 divisors (see below), whose sum is σ = 52139092200. Its totient is φ = 8073146880.

The previous prime is 21304141399. The next prime is 21304141421. The reversal of 21304141400 is 414140312.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2799377 + ... + 2806976.

Almost surely, 2^21304141400 is an apocalyptic number.

21304141400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21304141400 is an abundant number, since it is smaller than the sum of its proper divisors (30834950800).

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

21304141400 is a wasteful number, since it uses less digits than its factorization.

21304141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606388 (or 5606379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21304141400 its reverse (414140312), we get a palindrome (21718281712).

The spelling of 21304141400 in words is "twenty-one billion, three hundred four million, one hundred forty-one thousand, four hundred".