215044186652448 has 192 divisors, whose sum is σ = 569936833708032. Its totient is φ = 70991931064320.

The previous prime is 215044186652447. The next prime is 215044186652459. The reversal of 215044186652448 is 844256681440512.

It is a junction number, because it is equal to n+sod(n) for n = 215044186652391 and 215044186652400.

It is not an unprimeable number, because it can be changed into a prime (215044186652447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39522913408 + ... + 39522918848.

It is an arithmetic number, because the mean of its divisors is an integer number (2968421008896).

Almost surely, 2^{215044186652448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215044186652448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284968416854016).

215044186652448 is an abundant number, since it is smaller than the sum of its proper divisors (354892647055584).

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

215044186652448 is a wasteful number, since it uses less digits than its factorization.

215044186652448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687 (or 10679 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 60.

The spelling of 215044186652448 in words is "two hundred fifteen trillion, forty-four billion, one hundred eighty-six million, six hundred fifty-two thousand, four hundred forty-eight".