215065350396 has 96 divisors (see below), whose sum is σ = 603485568000. Its totient is φ = 65841336000.

The previous prime is 215065350329. The next prime is 215065350397. The reversal of 215065350396 is 693053560512.

215065350396 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 6 + 53 + 503 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215065350397) 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, 105480 + ... + 664271.

It is an arithmetic number, because the mean of its divisors is an integer number (6286308000).

Almost surely, 2^215065350396 is an apocalyptic number.

215065350396 is a gapful number since it is divisible by the number (26) 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 215065350396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301742784000).

215065350396 is an abundant number, since it is smaller than the sum of its proper divisors (388420217604).

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

215065350396 is a wasteful number, since it uses less digits than its factorization.

215065350396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769976 (or 769968 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 215065350396 in words is "two hundred fifteen billion, sixty-five million, three hundred fifty thousand, three hundred ninety-six".