215674382022848 has 112 divisors (see below), whose sum is σ = 499565509115904. Its totient is φ = 90457990855680.

The previous prime is 215674382022809. The next prime is 215674382022887. The reversal of 215674382022848 is 848220283476512.

It is an interprime number because it is at equal distance from previous prime (215674382022809) and next prime (215674382022887).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×215674382022848² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266396390 + ... + 267204762.

It is an arithmetic number, because the mean of its divisors is an integer number (4460406331392).

Almost surely, 2^{215674382022848} is an apocalyptic number.

215674382022848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215674382022848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249782754557952).

215674382022848 is an abundant number, since it is smaller than the sum of its proper divisors (283891127093056).

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

215674382022848 is a wasteful number, since it uses less digits than its factorization.

215674382022848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821110 (or 821100 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 62.

The spelling of 215674382022848 in words is "two hundred fifteen trillion, six hundred seventy-four billion, three hundred eighty-two million, twenty-two thousand, eight hundred forty-eight".