21300440341304 has 16 divisors (see below), whose sum is σ = 41017739847000. Its totient is φ = 10362376382112.

The previous prime is 21300440341241. The next prime is 21300440341307. The reversal of 21300440341304 is 40314304400312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300440341307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35980473254 + ... + 35980473845.

Almost surely, 2^{21300440341304} is an apocalyptic number.

It is an amenable number.

21300440341304 is a deficient number, since it is larger than the sum of its proper divisors (19717299505696).

21300440341304 is a wasteful number, since it uses less digits than its factorization.

21300440341304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71960947142 (or 71960947138 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21300440341304 its reverse (40314304400312), we get a palindrome (61614744741616).

The spelling of 21300440341304 in words is "twenty-one trillion, three hundred billion, four hundred forty million, three hundred forty-one thousand, three hundred four".