21314242332140 has 96 divisors (see below), whose sum is σ = 45331178618880. Its totient is φ = 8417610656000.

The previous prime is 21314242332077. The next prime is 21314242332179. The reversal of 21314242332140 is 4123324241312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21314242332097 and 21314242332106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720718394 + ... + 720747966.

It is an arithmetic number, because the mean of its divisors is an integer number (472199777280).

Almost surely, 2^{21314242332140} is an apocalyptic number.

21314242332140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21314242332140 is an abundant number, since it is smaller than the sum of its proper divisors (24016936286740).

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

21314242332140 is a wasteful number, since it uses less digits than its factorization.

21314242332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31103 (or 31101 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 21314242332140 its reverse (4123324241312), we get a palindrome (25437566573452).

The spelling of 21314242332140 in words is "twenty-one trillion, three hundred fourteen billion, two hundred forty-two million, three hundred thirty-two thousand, one hundred forty".