215334344310340 has 24 divisors (see below), whose sum is σ = 452220089311872. Its totient is φ = 86130315579360.

The previous prime is 215334344310329. The next prime is 215334344310343. The reversal of 215334344310340 is 43013443433512.

It is a junction number, because it is equal to n+sod(n) for n = 215334344310293 and 215334344310302.

It is not an unprimeable number, because it can be changed into a prime (215334344310343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213368044 + ... + 214374883.

It is an arithmetic number, because the mean of its divisors is an integer number (18842503721328).

Almost surely, 2^{215334344310340} is an apocalyptic number.

215334344310340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215334344310340 is an abundant number, since it is smaller than the sum of its proper divisors (236885745001532).

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

215334344310340 is a wasteful number, since it uses less digits than its factorization.

215334344310340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427768107 (or 427768105 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 215334344310340 its reverse (43013443433512), we get a palindrome (258347787743852).

The spelling of 215334344310340 in words is "two hundred fifteen trillion, three hundred thirty-four billion, three hundred forty-four million, three hundred ten thousand, three hundred forty".