21040114400320 has 112 divisors (see below), whose sum is σ = 51418399982400. Its totient is φ = 8197497354240.

The previous prime is 21040114400317. The next prime is 21040114400353. The reversal of 21040114400320 is 2300441104012.

It is a happy number.

It is a super-2 number, since 2×21040114400320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21040114400291 and 21040114400300.

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, 3054066 + ... + 7169905.

Almost surely, 2^{21040114400320} is an apocalyptic number.

21040114400320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21040114400320 is an abundant number, since it is smaller than the sum of its proper divisors (30378285582080).

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

21040114400320 is a wasteful number, since it uses less digits than its factorization.

21040114400320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224156 (or 10224146 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21040114400320 its reverse (2300441104012), we get a palindrome (23340555504332).

The spelling of 21040114400320 in words is "twenty-one trillion, forty billion, one hundred fourteen million, four hundred thousand, three hundred twenty".